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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

• University of Texas Libraries

Literature Reviews

• What is a literature review?
• Steps in the Literature Review Process
• Define your research question
• Determine inclusion and exclusion criteria
• Choose databases and search
• Review Results
• Synthesize Results
• Analyze Results
• Librarian Support

What is a Literature Review?

A literature or narrative review is a comprehensive review and analysis of the published literature on a specific topic or research question. The literature that is reviewed contains: books, articles, academic articles, conference proceedings, association papers, and dissertations. It contains the most pertinent studies and points to important past and current research and practices. It provides background and context, and shows how your research will contribute to the field. 

A literature review should: 

• Provide a comprehensive and updated review of the literature;
• Explain why this review has taken place;
• Articulate a position or hypothesis;
• Acknowledge and account for conflicting and corroborating points of view

From  S age Research Methods

Purpose of a Literature Review

A literature review can be written as an introduction to a study to:

• Demonstrate how a study fills a gap in research
• Compare a study with other research that's been done

Or it can be a separate work (a research article on its own) which:

• Organizes or describes a topic
• Describes variables within a particular issue/problem

Limitations of a Literature Review

Some of the limitations of a literature review are:

• It's a snapshot in time. Unlike other reviews, this one has beginning, a middle and an end. There may be future developments that could make your work less relevant.
• It may be too focused. Some niche studies may miss the bigger picture.
• It can be difficult to be comprehensive. There is no way to make sure all the literature on a topic was considered.
• It is easy to be biased if you stick to top tier journals. There may be other places where people are publishing exemplary research. Look to open access publications and conferences to reflect a more inclusive collection. Also, make sure to include opposing views (and not just supporting evidence).

Source: Grant, Maria J., and Andrew Booth. “A Typology of Reviews: An Analysis of 14 Review Types and Associated Methodologies.” Health Information & Libraries Journal, vol. 26, no. 2, June 2009, pp. 91–108. Wiley Online Library, doi:10.1111/j.1471-1842.2009.00848.x.

Meryl Brodsky : Communication and Information Studies

Hannah Chapman Tripp : Biology, Neuroscience

Carolyn Cunningham : Human Development & Family Sciences, Psychology, Sociology

Larayne Dallas : Engineering

Janelle Hedstrom : Special Education, Curriculum & Instruction, Ed Leadership & Policy ​

Susan Macicak : Linguistics

Imelda Vetter : Dell Medical School

For help in other subject areas, please see the guide to library specialists by subject .

Periodically, UT Libraries runs a workshop covering the basics and library support for literature reviews. While we try to offer these once per academic year, we find providing the recording to be helpful to community members who have missed the session. Following is the most recent recording of the workshop, Conducting a Literature Review. To view the recording, a UT login is required.

• October 26, 2022 recording
• Last Updated: Oct 26, 2022 2:49 PM
• URL: https://guides.lib.utexas.edu/literaturereviews

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Methodology

• How to Write a Literature Review | Guide, Examples, & Templates

How to Write a Literature Review | Guide, Examples, & Templates

Published on January 2, 2023 by Shona McCombes . Revised on September 11, 2023.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research that you can later apply to your paper, thesis, or dissertation topic .

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates, and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarize sources—it analyzes, synthesizes , and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

What is the purpose of a literature review, examples of literature reviews, step 1 – search for relevant literature, step 2 – evaluate and select sources, step 3 – identify themes, debates, and gaps, step 4 – outline your literature review’s structure, step 5 – write your literature review, free lecture slides, other interesting articles, frequently asked questions, introduction.

• Quick Run-through
• Step 1 & 2

When you write a thesis , dissertation , or research paper , you will likely have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and its scholarly context
• Develop a theoretical framework and methodology for your research
• Position your work in relation to other researchers and theorists
• Show how your research addresses a gap or contributes to a debate
• Evaluate the current state of research and demonstrate your knowledge of the scholarly debates around your topic.

Writing literature reviews is a particularly important skill if you want to apply for graduate school or pursue a career in research. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research problem and questions .

Make a list of keywords

Start by creating a list of keywords related to your research question. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list as you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some useful databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can also use boolean operators to help narrow down your search.

Make sure to read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

You likely won’t be able to read absolutely everything that has been written on your topic, so it will be necessary to evaluate which sources are most relevant to your research question.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models, and methods?
• Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible , and make sure you read any landmark studies and major theories in your field of research.

You can use our template to summarize and evaluate sources you’re thinking about using. Click on either button below to download.

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It is important to keep track of your sources with citations to avoid plagiarism . It can be helpful to make an annotated bibliography , where you compile full citation information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

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To begin organizing your literature review’s argument and structure, be sure you understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly visual platforms like Instagram and Snapchat—this is a gap that you could address in your own research.

There are various approaches to organizing the body of a literature review. Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarizing sources in order.

Try to analyze patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organize your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text , your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, you can follow these tips:

• Summarize and synthesize: give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: don’t just paraphrase other researchers — add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically evaluate: mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: use transition words and topic sentences to draw connections, comparisons and contrasts

In the conclusion, you should summarize the key findings you have taken from the literature and emphasize their significance.

When you’ve finished writing and revising your literature review, don’t forget to proofread thoroughly before submitting. Not a language expert? Check out Scribbr’s professional proofreading services !

This article has been adapted into lecture slides that you can use to teach your students about writing a literature review.

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If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

• Sampling methods
• Simple random sampling
• Stratified sampling
• Cluster sampling
• Likert scales
• Reproducibility

 Statistics

• Null hypothesis
• Statistical power
• Probability distribution
• Effect size
• Poisson distribution

Research bias

• Optimism bias
• Cognitive bias
• Implicit bias
• Hawthorne effect
• Anchoring bias
• Explicit bias

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a thesis, dissertation , or research paper , in order to situate your work in relation to existing knowledge.

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarize yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your thesis or dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

A literature review is a survey of credible sources on a topic, often used in dissertations , theses, and research papers . Literature reviews give an overview of knowledge on a subject, helping you identify relevant theories and methods, as well as gaps in existing research. Literature reviews are set up similarly to other  academic texts , with an introduction , a main body, and a conclusion .

An  annotated bibliography is a list of  source references that has a short description (called an annotation ) for each of the sources. It is often assigned as part of the research process for a  paper .  

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Libraries | Research Guides

Literature reviews, what is a literature review, learning more about how to do a literature review.

• Planning the Review
• The Research Question
• Choosing Where to Search
• Organizing the Review
• Writing the Review

A literature review is a review and synthesis of existing research on a topic or research question. A literature review is meant to analyze the scholarly literature, make connections across writings and identify strengths, weaknesses, trends, and missing conversations. A literature review should address different aspects of a topic as it relates to your research question. A literature review goes beyond a description or summary of the literature you have read. 

• Sage Research Methods Core Collection This link opens in a new window SAGE Research Methods supports research at all levels by providing material to guide users through every step of the research process. SAGE Research Methods is the ultimate methods library with more than 1000 books, reference works, journal articles, and instructional videos by world-leading academics from across the social sciences, including the largest collection of qualitative methods books available online from any scholarly publisher. – Publisher

• Next: Planning the Review >>
• Last Updated: Jan 17, 2024 10:05 AM
• URL: https://libguides.northwestern.edu/literaturereviews

• UConn Library
• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
• Writing Literature Review: Useful Sites
• Citation Resources
• Other Academic Writings

What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
• << Previous: Getting Started
• Next: How to Pick a Topic >>
• Last Updated: Sep 21, 2022 2:16 PM
• URL: https://guides.lib.uconn.edu/literaturereview

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• Dissertation
• What is a Literature Review? | Guide, Template, & Examples

What is a Literature Review? | Guide, Template, & Examples

Published on 22 February 2022 by Shona McCombes . Revised on 7 June 2022.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research.

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarise sources – it analyses, synthesises, and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

Why write a literature review, examples of literature reviews, step 1: search for relevant literature, step 2: evaluate and select sources, step 3: identify themes, debates and gaps, step 4: outline your literature review’s structure, step 5: write your literature review, frequently asked questions about literature reviews, introduction.

• Quick Run-through
• Step 1 & 2

When you write a dissertation or thesis, you will have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and scholarly context
• Develop a theoretical framework and methodology for your research
• Position yourself in relation to other researchers and theorists
• Show how your dissertation addresses a gap or contributes to a debate

You might also have to write a literature review as a stand-alone assignment. In this case, the purpose is to evaluate the current state of research and demonstrate your knowledge of scholarly debates around a topic.

The content will look slightly different in each case, but the process of conducting a literature review follows the same steps. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research objectives and questions .

If you are writing a literature review as a stand-alone assignment, you will have to choose a focus and develop a central question to direct your search. Unlike a dissertation research question, this question has to be answerable without collecting original data. You should be able to answer it based only on a review of existing publications.

Make a list of keywords

Start by creating a list of keywords related to your research topic. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list if you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can use boolean operators to help narrow down your search:

Read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

To identify the most important publications on your topic, take note of recurring citations. If the same authors, books or articles keep appearing in your reading, make sure to seek them out.

You probably won’t be able to read absolutely everything that has been written on the topic – you’ll have to evaluate which sources are most relevant to your questions.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models and methods? Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• How does the publication contribute to your understanding of the topic? What are its key insights and arguments?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible, and make sure you read any landmark studies and major theories in your field of research.

You can find out how many times an article has been cited on Google Scholar – a high citation count means the article has been influential in the field, and should certainly be included in your literature review.

The scope of your review will depend on your topic and discipline: in the sciences you usually only review recent literature, but in the humanities you might take a long historical perspective (for example, to trace how a concept has changed in meaning over time).

Remember that you can use our template to summarise and evaluate sources you’re thinking about using!

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It’s important to keep track of your sources with references to avoid plagiarism . It can be helpful to make an annotated bibliography, where you compile full reference information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

You can use our free APA Reference Generator for quick, correct, consistent citations.

Prevent plagiarism, run a free check.

To begin organising your literature review’s argument and structure, you need to understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly-visual platforms like Instagram and Snapchat – this is a gap that you could address in your own research.

There are various approaches to organising the body of a literature review. You should have a rough idea of your strategy before you start writing.

Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarising sources in order.

Try to analyse patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organise your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text, your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasise the timeliness of the topic (“many recent studies have focused on the problem of x”) or highlight a gap in the literature (“while there has been much research on x, few researchers have taken y into consideration”).

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, make sure to follow these tips:

• Summarise and synthesise: give an overview of the main points of each source and combine them into a coherent whole.
• Analyse and interpret: don’t just paraphrase other researchers – add your own interpretations, discussing the significance of findings in relation to the literature as a whole.
• Critically evaluate: mention the strengths and weaknesses of your sources.
• Write in well-structured paragraphs: use transitions and topic sentences to draw connections, comparisons and contrasts.

In the conclusion, you should summarise the key findings you have taken from the literature and emphasise their significance.

If the literature review is part of your dissertation or thesis, reiterate how your research addresses gaps and contributes new knowledge, or discuss how you have drawn on existing theories and methods to build a framework for your research. This can lead directly into your methodology section.

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a dissertation , thesis, research paper , or proposal .

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarise yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your  dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.

McCombes, S. (2022, June 07). What is a Literature Review? | Guide, Template, & Examples. Scribbr. Retrieved 25 March 2024, from https://www.scribbr.co.uk/thesis-dissertation/literature-review/

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• CAREER FEATURE
• 04 December 2020
• Correction 09 December 2020

How to write a superb literature review

Andy Tay is a freelance writer based in Singapore.

You can also search for this author in PubMed   Google Scholar

Literature reviews are important resources for scientists. They provide historical context for a field while offering opinions on its future trajectory. Creating them can provide inspiration for one’s own research, as well as some practice in writing. But few scientists are trained in how to write a review — or in what constitutes an excellent one. Even picking the appropriate software to use can be an involved decision (see ‘Tools and techniques’). So Nature asked editors and working scientists with well-cited reviews for their tips.

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doi: https://doi.org/10.1038/d41586-020-03422-x

Interviews have been edited for length and clarity.

Updates & Corrections

Correction 09 December 2020 : An earlier version of the tables in this article included some incorrect details about the programs Zotero, Endnote and Manubot. These have now been corrected.

Hsing, I.-M., Xu, Y. & Zhao, W. Electroanalysis 19 , 755–768 (2007).

Article   Google Scholar  

Ledesma, H. A. et al. Nature Nanotechnol. 14 , 645–657 (2019).

Article   PubMed   Google Scholar  

Brahlek, M., Koirala, N., Bansal, N. & Oh, S. Solid State Commun. 215–216 , 54–62 (2015).

Choi, Y. & Lee, S. Y. Nature Rev. Chem . https://doi.org/10.1038/s41570-020-00221-w (2020).

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The University of Tennessee at Chattanooga

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Literature Reviews

What is a literature review.

• Getting Started
• Searching the Literature
• How to Read Scholarly Studies
• Managing Your Results
• Assembling Your Review

Jump to Section

• Selecting a Topic & Scope
• Identify Keywords to Use in Searching
• Finding Articles
• Reading, Note-taking, and Organization
• Citation Management

Writing Assistance for Literature Reviews

Research help.

Set up a consultation with a librarian for help refining your topic and finding sources for your paper.

• Make an Appointment

A literature review is a very specific type of academic project. It is not an annotated bibliography. It isn't a research paper. It isn't a comprehensive list of everything ever published on a certain topic. 

Literature reviews are not created to produce new insights. They are written to explore and explain the literature on the topic or issue. 

One of the most important functions of a literature review is to lay the groundwork, provide background and context, for a larger research project such as a Masters thesis or PhD dissertation. Literature reviews often come at the start of scholarly journal articles. In the social sciences and natural sciences, a literature review comprises a section of a scholarly journal article.

Professors in research methods courses often assign standalone literature reviews so that students develop skills in searching, analyzing and organizing scholarly literature in a particular field. 

1. Selecting a Topic & Scope

The first step in any literature review is to identify a topic or subject area you wish to explore, and then setting some parameters to find the scope of your review.

You also need to make sure you select a subject area that has already been researched . It will not be possible to locate sufficient existing literature on a brand new discovery or current event that is being written about in the news right now. It needs to be a well-established research area with existing studies you can review, organize and analyze. Some professors require you to find a topic that has 'not been researched before'. In that case, they don't mean an entire broad topic that hasn't been researched; instead, you'll want to find a sliver of a broad topic that hasn't been researched before. This is where narrowing your topic and finding parameters becomes very important. You may need to do some background reading on several different topics to find one that works, if your professor is having you do a standalone literature review as part of a research methods course.

Ways of Narrowing a Broad topic

For example:

Broad topic: ADHD treatments

Narrowed question: How can neurofeedback be used in threating elementary school-aged children?

Publication Dates

The scope of your review will be a part of refining your topic area or research question. In some disciplines, medicine and health science for example, the publication date of your sources may be extremely important. So, to avoid including outdated clinical recommendations, you may want to limit your review to only the most recent research out there. For other topics, say history or literature, publication date may not be as important - and scholarly research from 20, 30, even 50 years ago may still be relevant and useful today. So it's good idea to consider setting some date ranges for your search, it that is important to your topic.

Whatever your topic area turns out to be, framing the boundaries of your research question ahead of time will make searching and selecting appropriate articles that much easier. 

2. Identify Keywords to Use in Searching

Once you have defined a suitable topic or research question for your review, you will need to create a list of keywords that you will use to search for appropriate studies to include in your review. You will be doing searches through several different databases, Google scholar, or publisher platforms and the terminology used in each may vary. It is especially important to have a good variety of search terms that you can combine in different ways. This will ensure you gather the most relevant sources that cover your topic thoroughly. 

Remember to continue to gather and change your keywords as you read more about your topic!

To start, list synonyms and phrases that have to do with the main words of a research topic:

Example: Is neurofeedback useful in the treatment of ADHD in children?

Now, let's consider the word "useful" in this example topic. What is meant by "useful"? The word itself will not be helpful while searching. Instead, think about what might be useful  in terms of treatment of a child with ADHD. Think about benefits and outcomes and brainstorm a list of words:

3. Finding Articles

Using research guides to find subject specific databases.

For more focused searching of the literature of just one discipline, head over to the Research Guides section of our website. We have  Subject Guides   for all disciplines represented at UTC. Find the subject guide that has most to do with your topic, for example, if you are writing about politics, you'd choose Political Science and Public Service guide. Writing about K-12 schools? Choose Education. Each Subject Guide was created by UTC Librarians and has links to a variety of resources that you have access to.

The databases listed are smaller, specialized search engines that mainly retrieve scholarly articles. You will usually find smaller sets of results for each search you do, but those results will be from a subset of very focused resources.

Subject specific databases are searchable by keywords just like Quick Search. An example is shown in the screenshot below of the APA PsycINFO database using the keywords "neurofeedback therapy" AND "ADHD in children":

APA PsycInfo Database Search:

Using the Quick Search

Quick Search is the main search box located in the center of the Library home page. It covers all formats within our collection (physical and electronic, books, films, articles and more).and all subject areas. It is an excellent tool for locating and accessing scholarly content using keyword searches. Below is an example of how to enter your keywords for an effective search, for our sample topic we typed the words "neurofeedback ADHD children behavior problems":

Quick Search has filters  to narrow to just peer reviewed if you'd like, or you can narrow to a specific format like articles, books, or ebooks. You can also narrow by date. Look for the filters on the left sidebar after you run a search. 

As you browse results. you will notice links below each article that allow you to read the full text on the publisher website. If you decide you would like to use the article in your lit review, download the entire PDF to your device for later use. 

Using Google Scholar

Click the  Databases button (just below the Quick Search box on library's homepage) and look for Google Scholar under Multisubject Databases. Using Google Scholar through the UTC Library links our library subscriptions to your Google Scholar search results- which allows you to see articles with no paywalls if we have access! 

4. Reading, Note-taking, and Organization

1. review the how to read a scholarly article guide.

• Learn about common sections in science and social science articles
• Strategies and tips for reading start by reading the entire Abstract, and feel free to jump down to Discussion to decide if an article should be included in your paper

2. Save yourself time with good note-taking

As you read each study, take notes about the most important findings, key concepts, debates or areas of controversy and common themes you see. These notes will inform how you approach organizing and writing your literature review.

To keep organized, UTC Librarians recommend using a literature review matrix, or spreadsheet, to keep track of the articles you find as you go.  Add columns for the citation (including the URL of the article), and once you read it, track the authors' research question, methods, findings and themes. Importantly, keep track of notes and quotes as you go, and the page numbers you got them from. You will see themes or facts emerge as you read more and more articles. 

Here's an example Literature Review Matrix for you to view. Download a sample matrix as an Excel file and edit with your own sources.

3. Some ideas on how to compile an outline for your review:

After reading and taking notes on the sources you are including in your literature review, you will probably be able to identify common themes or threads that appear throughout. These recurring threads or themes can be very useful in creating a narrative framework for your review to make it easier for your readers to understand what literature exists, what has been learned, and why it is significant. Using our example of Neurofeedback Therapy for Children with ADHD, we might decide to organize our results something like this:

Other questions you might ask yourself as you decide how to outline your literature review: 

• What are the major claims being made about the topic? (There may be several)
• What significant data exists to support / explain the claims?
• Are there connections between the claims / concepts / evidence?
• Are there controversies in the literature? 
• Are there knowledge gaps that have yet to be explored? 

5. Citation Management

For smaller literature review projects, simply keeping a list of your references in Word or Google Docs is probably fine. But for longer projects, or those that are going to form the basis for a thesis or dissertation, many students choose to use citation management software to keep track of, organize, and format their references. The UTC Library supports two main citation management options: Zotero and EndNote. 

Zotero is an open source tool provided by Google. It works well with Chrome and Google Docs and has a really nice, easy to use Chrome extension that allows you to seamlessly add references and full text PDFs to your reference "library" as you do your research. The Library has a guide page that walks you through the basics of downloading, configuring and using Zotero. Visit the link below to get started. 

Zotero Guide Page

EndNote is a very powerful software package with lots of advanced features. It is produced by a commercial publisher and the Library pays a subscription fee to offer it to our students and faculty. It comes in two versions: desktop and cloud-based. (The two versions work together to provide seamless access and redundancy no matter where you are). EndNote can be very labor intensive to configure and use at the beginning, but it offers hundreds of citation styles (most major journals, academic associations and scholarly publishers) and works very well for longer, more complex projects with many references and citations. It integrates really well with Microsoft Word but does not work as well with Google Docs. The Library has basic information on its website about how to download and set up EndNote, but in order to learn it effectively, a workshop or librarian consultation is usually required. Our EndNote information is found a the link below:

EndNote Help Page

The UTC Library is home to a full-service Writing and Communication Center with tutors available to assist you with writing projects at any stage - from outline, to draft, to final manuscript. The WCC has it's own section of the UTC Library website. Check out the link below to learn more about the services they offer and how to go about scheduling an appointment.

UTC Writing and Communication Center

• Next: Getting Started >>
• Last Updated: Sep 19, 2023 8:50 AM
• URL: https://guides.lib.utc.edu/literature-reviews

What is a Literature Review? How to Write It (with Examples)

A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing how your work contributes to the ongoing conversation in the field. Learning how to write a literature review is a critical tool for successful research. Your ability to summarize and synthesize prior research pertaining to a certain topic demonstrates your grasp on the topic of study, and assists in the learning process. 

Table of Contents

• What is the purpose of literature review? 
• a. Habitat Loss and Species Extinction: 
• b. Range Shifts and Phenological Changes: 
• c. Ocean Acidification and Coral Reefs: 
• d. Adaptive Strategies and Conservation Efforts: 
• How to write a good literature review 
• Choose a Topic and Define the Research Question: 
• Decide on the Scope of Your Review: 
• Select Databases for Searches: 
• Conduct Searches and Keep Track: 
• Review the Literature: 
• Organize and Write Your Literature Review: 
• Frequently asked questions 

What is a literature review?

A well-conducted literature review demonstrates the researcher’s familiarity with the existing literature, establishes the context for their own research, and contributes to scholarly conversations on the topic. One of the purposes of a literature review is also to help researchers avoid duplicating previous work and ensure that their research is informed by and builds upon the existing body of knowledge.

What is the purpose of literature review?

A literature review serves several important purposes within academic and research contexts. Here are some key objectives and functions of a literature review: 2  

• Contextualizing the Research Problem: The literature review provides a background and context for the research problem under investigation. It helps to situate the study within the existing body of knowledge. 
• Identifying Gaps in Knowledge: By identifying gaps, contradictions, or areas requiring further research, the researcher can shape the research question and justify the significance of the study. This is crucial for ensuring that the new research contributes something novel to the field. 
• Understanding Theoretical and Conceptual Frameworks: Literature reviews help researchers gain an understanding of the theoretical and conceptual frameworks used in previous studies. This aids in the development of a theoretical framework for the current research. 
• Providing Methodological Insights: Another purpose of literature reviews is that it allows researchers to learn about the methodologies employed in previous studies. This can help in choosing appropriate research methods for the current study and avoiding pitfalls that others may have encountered. 
• Establishing Credibility: A well-conducted literature review demonstrates the researcher’s familiarity with existing scholarship, establishing their credibility and expertise in the field. It also helps in building a solid foundation for the new research. 
• Informing Hypotheses or Research Questions: The literature review guides the formulation of hypotheses or research questions by highlighting relevant findings and areas of uncertainty in existing literature. 

Literature review example

Let’s delve deeper with a literature review example: Let’s say your literature review is about the impact of climate change on biodiversity. You might format your literature review into sections such as the effects of climate change on habitat loss and species extinction, phenological changes, and marine biodiversity. Each section would then summarize and analyze relevant studies in those areas, highlighting key findings and identifying gaps in the research. The review would conclude by emphasizing the need for further research on specific aspects of the relationship between climate change and biodiversity. The following literature review template provides a glimpse into the recommended literature review structure and content, demonstrating how research findings are organized around specific themes within a broader topic. 

Literature Review on Climate Change Impacts on Biodiversity:

Climate change is a global phenomenon with far-reaching consequences, including significant impacts on biodiversity. This literature review synthesizes key findings from various studies: 

a. Habitat Loss and Species Extinction:

Climate change-induced alterations in temperature and precipitation patterns contribute to habitat loss, affecting numerous species (Thomas et al., 2004). The review discusses how these changes increase the risk of extinction, particularly for species with specific habitat requirements. 

b. Range Shifts and Phenological Changes:

Observations of range shifts and changes in the timing of biological events (phenology) are documented in response to changing climatic conditions (Parmesan & Yohe, 2003). These shifts affect ecosystems and may lead to mismatches between species and their resources. 

c. Ocean Acidification and Coral Reefs:

The review explores the impact of climate change on marine biodiversity, emphasizing ocean acidification’s threat to coral reefs (Hoegh-Guldberg et al., 2007). Changes in pH levels negatively affect coral calcification, disrupting the delicate balance of marine ecosystems. 

d. Adaptive Strategies and Conservation Efforts:

Recognizing the urgency of the situation, the literature review discusses various adaptive strategies adopted by species and conservation efforts aimed at mitigating the impacts of climate change on biodiversity (Hannah et al., 2007). It emphasizes the importance of interdisciplinary approaches for effective conservation planning. 

How to write a good literature review

Writing a literature review involves summarizing and synthesizing existing research on a particular topic. A good literature review format should include the following elements. 

Introduction: The introduction sets the stage for your literature review, providing context and introducing the main focus of your review. 

• Opening Statement: Begin with a general statement about the broader topic and its significance in the field. 
• Scope and Purpose: Clearly define the scope of your literature review. Explain the specific research question or objective you aim to address. 
• Organizational Framework: Briefly outline the structure of your literature review, indicating how you will categorize and discuss the existing research. 
• Significance of the Study: Highlight why your literature review is important and how it contributes to the understanding of the chosen topic. 
• Thesis Statement: Conclude the introduction with a concise thesis statement that outlines the main argument or perspective you will develop in the body of the literature review. 

Body: The body of the literature review is where you provide a comprehensive analysis of existing literature, grouping studies based on themes, methodologies, or other relevant criteria. 

• Organize by Theme or Concept: Group studies that share common themes, concepts, or methodologies. Discuss each theme or concept in detail, summarizing key findings and identifying gaps or areas of disagreement. 
• Critical Analysis: Evaluate the strengths and weaknesses of each study. Discuss the methodologies used, the quality of evidence, and the overall contribution of each work to the understanding of the topic. 
• Synthesis of Findings: Synthesize the information from different studies to highlight trends, patterns, or areas of consensus in the literature. 
• Identification of Gaps: Discuss any gaps or limitations in the existing research and explain how your review contributes to filling these gaps. 
• Transition between Sections: Provide smooth transitions between different themes or concepts to maintain the flow of your literature review. 

Conclusion: The conclusion of your literature review should summarize the main findings, highlight the contributions of the review, and suggest avenues for future research. 

• Summary of Key Findings: Recap the main findings from the literature and restate how they contribute to your research question or objective. 
• Contributions to the Field: Discuss the overall contribution of your literature review to the existing knowledge in the field. 
• Implications and Applications: Explore the practical implications of the findings and suggest how they might impact future research or practice. 
• Recommendations for Future Research: Identify areas that require further investigation and propose potential directions for future research in the field. 
• Final Thoughts: Conclude with a final reflection on the importance of your literature review and its relevance to the broader academic community. 

Conducting a literature review

Conducting a literature review is an essential step in research that involves reviewing and analyzing existing literature on a specific topic. It’s important to know how to do a literature review effectively, so here are the steps to follow: 1  

Choose a Topic and Define the Research Question:

• Select a topic that is relevant to your field of study. 
• Clearly define your research question or objective. Determine what specific aspect of the topic do you want to explore? 

Decide on the Scope of Your Review:

• Determine the timeframe for your literature review. Are you focusing on recent developments, or do you want a historical overview? 
• Consider the geographical scope. Is your review global, or are you focusing on a specific region? 
• Define the inclusion and exclusion criteria. What types of sources will you include? Are there specific types of studies or publications you will exclude? 

Select Databases for Searches:

• Identify relevant databases for your field. Examples include PubMed, IEEE Xplore, Scopus, Web of Science, and Google Scholar. 
• Consider searching in library catalogs, institutional repositories, and specialized databases related to your topic. 

Conduct Searches and Keep Track:

• Develop a systematic search strategy using keywords, Boolean operators (AND, OR, NOT), and other search techniques. 
• Record and document your search strategy for transparency and replicability. 
• Keep track of the articles, including publication details, abstracts, and links. Use citation management tools like EndNote, Zotero, or Mendeley to organize your references. 

Review the Literature:

• Evaluate the relevance and quality of each source. Consider the methodology, sample size, and results of studies. 
• Organize the literature by themes or key concepts. Identify patterns, trends, and gaps in the existing research. 
• Summarize key findings and arguments from each source. Compare and contrast different perspectives. 
• Identify areas where there is a consensus in the literature and where there are conflicting opinions. 
• Provide critical analysis and synthesis of the literature. What are the strengths and weaknesses of existing research? 

Organize and Write Your Literature Review:

• Literature review outline should be based on themes, chronological order, or methodological approaches. 
• Write a clear and coherent narrative that synthesizes the information gathered. 
• Use proper citations for each source and ensure consistency in your citation style (APA, MLA, Chicago, etc.). 
• Conclude your literature review by summarizing key findings, identifying gaps, and suggesting areas for future research. 

The literature review sample and detailed advice on writing and conducting a review will help you produce a well-structured report. But remember that a literature review is an ongoing process, and it may be necessary to revisit and update it as your research progresses. 

Frequently asked questions

A literature review is a critical and comprehensive analysis of existing literature (published and unpublished works) on a specific topic or research question and provides a synthesis of the current state of knowledge in a particular field. A well-conducted literature review is crucial for researchers to build upon existing knowledge, avoid duplication of efforts, and contribute to the advancement of their field. It also helps researchers situate their work within a broader context and facilitates the development of a sound theoretical and conceptual framework for their studies.

Literature review is a crucial component of research writing, providing a solid background for a research paper’s investigation. The aim is to keep professionals up to date by providing an understanding of ongoing developments within a specific field, including research methods, and experimental techniques used in that field, and present that knowledge in the form of a written report. Also, the depth and breadth of the literature review emphasizes the credibility of the scholar in his or her field.  

Before writing a literature review, it’s essential to undertake several preparatory steps to ensure that your review is well-researched, organized, and focused. This includes choosing a topic of general interest to you and doing exploratory research on that topic, writing an annotated bibliography, and noting major points, especially those that relate to the position you have taken on the topic. 

Literature reviews and academic research papers are essential components of scholarly work but serve different purposes within the academic realm. 3 A literature review aims to provide a foundation for understanding the current state of research on a particular topic, identify gaps or controversies, and lay the groundwork for future research. Therefore, it draws heavily from existing academic sources, including books, journal articles, and other scholarly publications. In contrast, an academic research paper aims to present new knowledge, contribute to the academic discourse, and advance the understanding of a specific research question. Therefore, it involves a mix of existing literature (in the introduction and literature review sections) and original data or findings obtained through research methods. 

Literature reviews are essential components of academic and research papers, and various strategies can be employed to conduct them effectively. If you want to know how to write a literature review for a research paper, here are four common approaches that are often used by researchers.  Chronological Review: This strategy involves organizing the literature based on the chronological order of publication. It helps to trace the development of a topic over time, showing how ideas, theories, and research have evolved.  Thematic Review: Thematic reviews focus on identifying and analyzing themes or topics that cut across different studies. Instead of organizing the literature chronologically, it is grouped by key themes or concepts, allowing for a comprehensive exploration of various aspects of the topic.  Methodological Review: This strategy involves organizing the literature based on the research methods employed in different studies. It helps to highlight the strengths and weaknesses of various methodologies and allows the reader to evaluate the reliability and validity of the research findings.  Theoretical Review: A theoretical review examines the literature based on the theoretical frameworks used in different studies. This approach helps to identify the key theories that have been applied to the topic and assess their contributions to the understanding of the subject.  It’s important to note that these strategies are not mutually exclusive, and a literature review may combine elements of more than one approach. The choice of strategy depends on the research question, the nature of the literature available, and the goals of the review. Additionally, other strategies, such as integrative reviews or systematic reviews, may be employed depending on the specific requirements of the research.

The literature review format can vary depending on the specific publication guidelines. However, there are some common elements and structures that are often followed. Here is a general guideline for the format of a literature review:  Introduction:   Provide an overview of the topic.  Define the scope and purpose of the literature review.  State the research question or objective.  Body:   Organize the literature by themes, concepts, or chronology.  Critically analyze and evaluate each source.  Discuss the strengths and weaknesses of the studies.  Highlight any methodological limitations or biases.  Identify patterns, connections, or contradictions in the existing research.  Conclusion:   Summarize the key points discussed in the literature review.  Highlight the research gap.  Address the research question or objective stated in the introduction.  Highlight the contributions of the review and suggest directions for future research.

Both annotated bibliographies and literature reviews involve the examination of scholarly sources. While annotated bibliographies focus on individual sources with brief annotations, literature reviews provide a more in-depth, integrated, and comprehensive analysis of existing literature on a specific topic. The key differences are as follows: 

References 

• Denney, A. S., & Tewksbury, R. (2013). How to write a literature review.  Journal of criminal justice education ,  24 (2), 218-234. 
• Pan, M. L. (2016).  Preparing literature reviews: Qualitative and quantitative approaches . Taylor & Francis. 
• Cantero, C. (2019). How to write a literature review.  San José State University Writing Center . 

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Try it for free or upgrade to  Paperpal Prime , which unlocks unlimited access to premium features like academic translation, paraphrasing, contextual synonyms, consistency checks and more. It’s like always having a professional academic editor by your side! Go beyond limitations and experience the future of academic writing.  Get Paperpal Prime now at just US$19 a month!

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Organizing Your Social Sciences Research Paper

• 5. The Literature Review
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A literature review surveys prior research published in books, scholarly articles, and any other sources relevant to a particular issue, area of research, or theory, and by so doing, provides a description, summary, and critical evaluation of these works in relation to the research problem being investigated. Literature reviews are designed to provide an overview of sources you have used in researching a particular topic and to demonstrate to your readers how your research fits within existing scholarship about the topic.

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . Fourth edition. Thousand Oaks, CA: SAGE, 2014.

Importance of a Good Literature Review

A literature review may consist of simply a summary of key sources, but in the social sciences, a literature review usually has an organizational pattern and combines both summary and synthesis, often within specific conceptual categories . A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information in a way that informs how you are planning to investigate a research problem. The analytical features of a literature review might:

• Give a new interpretation of old material or combine new with old interpretations,
• Trace the intellectual progression of the field, including major debates,
• Depending on the situation, evaluate the sources and advise the reader on the most pertinent or relevant research, or
• Usually in the conclusion of a literature review, identify where gaps exist in how a problem has been researched to date.

Given this, the purpose of a literature review is to:

• Place each work in the context of its contribution to understanding the research problem being studied.
• Describe the relationship of each work to the others under consideration.
• Identify new ways to interpret prior research.
• Reveal any gaps that exist in the literature.
• Resolve conflicts amongst seemingly contradictory previous studies.
• Identify areas of prior scholarship to prevent duplication of effort.
• Point the way in fulfilling a need for additional research.
• Locate your own research within the context of existing literature [very important].

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper. 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . Los Angeles, CA: SAGE, 2011; Knopf, Jeffrey W. "Doing a Literature Review." PS: Political Science and Politics 39 (January 2006): 127-132; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012.

Types of Literature Reviews

It is important to think of knowledge in a given field as consisting of three layers. First, there are the primary studies that researchers conduct and publish. Second are the reviews of those studies that summarize and offer new interpretations built from and often extending beyond the primary studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally among scholars that become part of the body of epistemological traditions within the field.

In composing a literature review, it is important to note that it is often this third layer of knowledge that is cited as "true" even though it often has only a loose relationship to the primary studies and secondary literature reviews. Given this, while literature reviews are designed to provide an overview and synthesis of pertinent sources you have explored, there are a number of approaches you could adopt depending upon the type of analysis underpinning your study.

Argumentative Review This form examines literature selectively in order to support or refute an argument, deeply embedded assumption, or philosophical problem already established in the literature. The purpose is to develop a body of literature that establishes a contrarian viewpoint. Given the value-laden nature of some social science research [e.g., educational reform; immigration control], argumentative approaches to analyzing the literature can be a legitimate and important form of discourse. However, note that they can also introduce problems of bias when they are used to make summary claims of the sort found in systematic reviews [see below].

Integrative Review Considered a form of research that reviews, critiques, and synthesizes representative literature on a topic in an integrated way such that new frameworks and perspectives on the topic are generated. The body of literature includes all studies that address related or identical hypotheses or research problems. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication. This is the most common form of review in the social sciences.

Historical Review Few things rest in isolation from historical precedent. Historical literature reviews focus on examining research throughout a period of time, often starting with the first time an issue, concept, theory, phenomena emerged in the literature, then tracing its evolution within the scholarship of a discipline. The purpose is to place research in a historical context to show familiarity with state-of-the-art developments and to identify the likely directions for future research.

Methodological Review A review does not always focus on what someone said [findings], but how they came about saying what they say [method of analysis]. Reviewing methods of analysis provides a framework of understanding at different levels [i.e. those of theory, substantive fields, research approaches, and data collection and analysis techniques], how researchers draw upon a wide variety of knowledge ranging from the conceptual level to practical documents for use in fieldwork in the areas of ontological and epistemological consideration, quantitative and qualitative integration, sampling, interviewing, data collection, and data analysis. This approach helps highlight ethical issues which you should be aware of and consider as you go through your own study.

Systematic Review This form consists of an overview of existing evidence pertinent to a clearly formulated research question, which uses pre-specified and standardized methods to identify and critically appraise relevant research, and to collect, report, and analyze data from the studies that are included in the review. The goal is to deliberately document, critically evaluate, and summarize scientifically all of the research about a clearly defined research problem . Typically it focuses on a very specific empirical question, often posed in a cause-and-effect form, such as "To what extent does A contribute to B?" This type of literature review is primarily applied to examining prior research studies in clinical medicine and allied health fields, but it is increasingly being used in the social sciences.

Theoretical Review The purpose of this form is to examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review helps to establish what theories already exist, the relationships between them, to what degree the existing theories have been investigated, and to develop new hypotheses to be tested. Often this form is used to help establish a lack of appropriate theories or reveal that current theories are inadequate for explaining new or emerging research problems. The unit of analysis can focus on a theoretical concept or a whole theory or framework.

NOTE : Most often the literature review will incorporate some combination of types. For example, a review that examines literature supporting or refuting an argument, assumption, or philosophical problem related to the research problem will also need to include writing supported by sources that establish the history of these arguments in the literature.

Baumeister, Roy F. and Mark R. Leary. "Writing Narrative Literature Reviews."  Review of General Psychology 1 (September 1997): 311-320; Mark R. Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Kennedy, Mary M. "Defining a Literature." Educational Researcher 36 (April 2007): 139-147; Petticrew, Mark and Helen Roberts. Systematic Reviews in the Social Sciences: A Practical Guide . Malden, MA: Blackwell Publishers, 2006; Torracro, Richard. "Writing Integrative Literature Reviews: Guidelines and Examples." Human Resource Development Review 4 (September 2005): 356-367; Rocco, Tonette S. and Maria S. Plakhotnik. "Literature Reviews, Conceptual Frameworks, and Theoretical Frameworks: Terms, Functions, and Distinctions." Human Ressource Development Review 8 (March 2008): 120-130; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

Structure and Writing Style

I.  Thinking About Your Literature Review

The structure of a literature review should include the following in support of understanding the research problem :

• An overview of the subject, issue, or theory under consideration, along with the objectives of the literature review,
• Division of works under review into themes or categories [e.g. works that support a particular position, those against, and those offering alternative approaches entirely],
• An explanation of how each work is similar to and how it varies from the others,
• Conclusions as to which pieces are best considered in their argument, are most convincing of their opinions, and make the greatest contribution to the understanding and development of their area of research.

The critical evaluation of each work should consider :

• Provenance -- what are the author's credentials? Are the author's arguments supported by evidence [e.g. primary historical material, case studies, narratives, statistics, recent scientific findings]?
• Methodology -- were the techniques used to identify, gather, and analyze the data appropriate to addressing the research problem? Was the sample size appropriate? Were the results effectively interpreted and reported?
• Objectivity -- is the author's perspective even-handed or prejudicial? Is contrary data considered or is certain pertinent information ignored to prove the author's point?
• Persuasiveness -- which of the author's theses are most convincing or least convincing?
• Validity -- are the author's arguments and conclusions convincing? Does the work ultimately contribute in any significant way to an understanding of the subject?

II.  Development of the Literature Review

Four Basic Stages of Writing 1.  Problem formulation -- which topic or field is being examined and what are its component issues? 2.  Literature search -- finding materials relevant to the subject being explored. 3.  Data evaluation -- determining which literature makes a significant contribution to the understanding of the topic. 4.  Analysis and interpretation -- discussing the findings and conclusions of pertinent literature.

Consider the following issues before writing the literature review: Clarify If your assignment is not specific about what form your literature review should take, seek clarification from your professor by asking these questions: 1.  Roughly how many sources would be appropriate to include? 2.  What types of sources should I review (books, journal articles, websites; scholarly versus popular sources)? 3.  Should I summarize, synthesize, or critique sources by discussing a common theme or issue? 4.  Should I evaluate the sources in any way beyond evaluating how they relate to understanding the research problem? 5.  Should I provide subheadings and other background information, such as definitions and/or a history? Find Models Use the exercise of reviewing the literature to examine how authors in your discipline or area of interest have composed their literature review sections. Read them to get a sense of the types of themes you might want to look for in your own research or to identify ways to organize your final review. The bibliography or reference section of sources you've already read, such as required readings in the course syllabus, are also excellent entry points into your own research. Narrow the Topic The narrower your topic, the easier it will be to limit the number of sources you need to read in order to obtain a good survey of relevant resources. Your professor will probably not expect you to read everything that's available about the topic, but you'll make the act of reviewing easier if you first limit scope of the research problem. A good strategy is to begin by searching the USC Libraries Catalog for recent books about the topic and review the table of contents for chapters that focuses on specific issues. You can also review the indexes of books to find references to specific issues that can serve as the focus of your research. For example, a book surveying the history of the Israeli-Palestinian conflict may include a chapter on the role Egypt has played in mediating the conflict, or look in the index for the pages where Egypt is mentioned in the text. Consider Whether Your Sources are Current Some disciplines require that you use information that is as current as possible. This is particularly true in disciplines in medicine and the sciences where research conducted becomes obsolete very quickly as new discoveries are made. However, when writing a review in the social sciences, a survey of the history of the literature may be required. In other words, a complete understanding the research problem requires you to deliberately examine how knowledge and perspectives have changed over time. Sort through other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to explore what is considered by scholars to be a "hot topic" and what is not.

III.  Ways to Organize Your Literature Review

Chronology of Events If your review follows the chronological method, you could write about the materials according to when they were published. This approach should only be followed if a clear path of research building on previous research can be identified and that these trends follow a clear chronological order of development. For example, a literature review that focuses on continuing research about the emergence of German economic power after the fall of the Soviet Union. By Publication Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on environmental studies of brown fields if the progression revealed, for example, a change in the soil collection practices of the researchers who wrote and/or conducted the studies. Thematic [“conceptual categories”] A thematic literature review is the most common approach to summarizing prior research in the social and behavioral sciences. Thematic reviews are organized around a topic or issue, rather than the progression of time, although the progression of time may still be incorporated into a thematic review. For example, a review of the Internet’s impact on American presidential politics could focus on the development of online political satire. While the study focuses on one topic, the Internet’s impact on American presidential politics, it would still be organized chronologically reflecting technological developments in media. The difference in this example between a "chronological" and a "thematic" approach is what is emphasized the most: themes related to the role of the Internet in presidential politics. Note that more authentic thematic reviews tend to break away from chronological order. A review organized in this manner would shift between time periods within each section according to the point being made. Methodological A methodological approach focuses on the methods utilized by the researcher. For the Internet in American presidential politics project, one methodological approach would be to look at cultural differences between the portrayal of American presidents on American, British, and French websites. Or the review might focus on the fundraising impact of the Internet on a particular political party. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed.

Other Sections of Your Literature Review Once you've decided on the organizational method for your literature review, the sections you need to include in the paper should be easy to figure out because they arise from your organizational strategy. In other words, a chronological review would have subsections for each vital time period; a thematic review would have subtopics based upon factors that relate to the theme or issue. However, sometimes you may need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. However, only include what is necessary for the reader to locate your study within the larger scholarship about the research problem.

Here are examples of other sections, usually in the form of a single paragraph, you may need to include depending on the type of review you write:

• Current Situation : Information necessary to understand the current topic or focus of the literature review.
• Sources Used : Describes the methods and resources [e.g., databases] you used to identify the literature you reviewed.
• History : The chronological progression of the field, the research literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
• Selection Methods : Criteria you used to select (and perhaps exclude) sources in your literature review. For instance, you might explain that your review includes only peer-reviewed [i.e., scholarly] sources.
• Standards : Description of the way in which you present your information.
• Questions for Further Research : What questions about the field has the review sparked? How will you further your research as a result of the review?

IV.  Writing Your Literature Review

Once you've settled on how to organize your literature review, you're ready to write each section. When writing your review, keep in mind these issues.

Use Evidence A literature review section is, in this sense, just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence [citations] that demonstrates that what you are saying is valid. Be Selective Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the research problem, whether it is thematic, methodological, or chronological. Related items that provide additional information, but that are not key to understanding the research problem, can be included in a list of further readings . Use Quotes Sparingly Some short quotes are appropriate if you want to emphasize a point, or if what an author stated cannot be easily paraphrased. Sometimes you may need to quote certain terminology that was coined by the author, is not common knowledge, or taken directly from the study. Do not use extensive quotes as a substitute for using your own words in reviewing the literature. Summarize and Synthesize Remember to summarize and synthesize your sources within each thematic paragraph as well as throughout the review. Recapitulate important features of a research study, but then synthesize it by rephrasing the study's significance and relating it to your own work and the work of others. Keep Your Own Voice While the literature review presents others' ideas, your voice [the writer's] should remain front and center. For example, weave references to other sources into what you are writing but maintain your own voice by starting and ending the paragraph with your own ideas and wording. Use Caution When Paraphrasing When paraphrasing a source that is not your own, be sure to represent the author's information or opinions accurately and in your own words. Even when paraphrasing an author’s work, you still must provide a citation to that work.

V.  Common Mistakes to Avoid

These are the most common mistakes made in reviewing social science research literature.

• Sources in your literature review do not clearly relate to the research problem;
• You do not take sufficient time to define and identify the most relevant sources to use in the literature review related to the research problem;
• Relies exclusively on secondary analytical sources rather than including relevant primary research studies or data;
• Uncritically accepts another researcher's findings and interpretations as valid, rather than examining critically all aspects of the research design and analysis;
• Does not describe the search procedures that were used in identifying the literature to review;
• Reports isolated statistical results rather than synthesizing them in chi-squared or meta-analytic methods; and,
• Only includes research that validates assumptions and does not consider contrary findings and alternative interpretations found in the literature.

Cook, Kathleen E. and Elise Murowchick. “Do Literature Review Skills Transfer from One Course to Another?” Psychology Learning and Teaching 13 (March 2014): 3-11; Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . London: SAGE, 2011; Literature Review Handout. Online Writing Center. Liberty University; Literature Reviews. The Writing Center. University of North Carolina; Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: SAGE, 2016; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012; Randolph, Justus J. “A Guide to Writing the Dissertation Literature Review." Practical Assessment, Research, and Evaluation. vol. 14, June 2009; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016; Taylor, Dena. The Literature Review: A Few Tips On Conducting It. University College Writing Centre. University of Toronto; Writing a Literature Review. Academic Skills Centre. University of Canberra.

Writing Tip

Break Out of Your Disciplinary Box!

Thinking interdisciplinarily about a research problem can be a rewarding exercise in applying new ideas, theories, or concepts to an old problem. For example, what might cultural anthropologists say about the continuing conflict in the Middle East? In what ways might geographers view the need for better distribution of social service agencies in large cities than how social workers might study the issue? You don’t want to substitute a thorough review of core research literature in your discipline for studies conducted in other fields of study. However, particularly in the social sciences, thinking about research problems from multiple vectors is a key strategy for finding new solutions to a problem or gaining a new perspective. Consult with a librarian about identifying research databases in other disciplines; almost every field of study has at least one comprehensive database devoted to indexing its research literature.

Frodeman, Robert. The Oxford Handbook of Interdisciplinarity . New York: Oxford University Press, 2010.

Another Writing Tip

Don't Just Review for Content!

While conducting a review of the literature, maximize the time you devote to writing this part of your paper by thinking broadly about what you should be looking for and evaluating. Review not just what scholars are saying, but how are they saying it. Some questions to ask:

• How are they organizing their ideas?
• What methods have they used to study the problem?
• What theories have been used to explain, predict, or understand their research problem?
• What sources have they cited to support their conclusions?
• How have they used non-textual elements [e.g., charts, graphs, figures, etc.] to illustrate key points?

When you begin to write your literature review section, you'll be glad you dug deeper into how the research was designed and constructed because it establishes a means for developing more substantial analysis and interpretation of the research problem.

Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1 998.

Yet Another Writing Tip

When Do I Know I Can Stop Looking and Move On?

Here are several strategies you can utilize to assess whether you've thoroughly reviewed the literature:

• Look for repeating patterns in the research findings . If the same thing is being said, just by different people, then this likely demonstrates that the research problem has hit a conceptual dead end. At this point consider: Does your study extend current research?  Does it forge a new path? Or, does is merely add more of the same thing being said?
• Look at sources the authors cite to in their work . If you begin to see the same researchers cited again and again, then this is often an indication that no new ideas have been generated to address the research problem.
• Search Google Scholar to identify who has subsequently cited leading scholars already identified in your literature review [see next sub-tab]. This is called citation tracking and there are a number of sources that can help you identify who has cited whom, particularly scholars from outside of your discipline. Here again, if the same authors are being cited again and again, this may indicate no new literature has been written on the topic.

Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: Sage, 2016; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

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Literature review.

• What is a Literature Review?
• What is Its Purpose?
• 1. Select a Topic
• 2. Set the Topic in Context
• 3. Types of Information Sources
• 4. Use Information Sources
• 5. Get the Information
• 6. Organize / Manage the Information
• 7. Position the Literature Review
• 8. Write the Literature Review

A literature review is a comprehensive summary of previous research on a topic. The literature review surveys scholarly articles, books, and other sources relevant to a particular area of research.  The review should enumerate, describe, summarize, objectively evaluate and clarify this previous research.  It should give a theoretical base for the research and help you (the author) determine the nature of your research.  The literature review acknowledges the work of previous researchers, and in so doing, assures the reader that your work has been well conceived.  It is assumed that by mentioning a previous work in the field of study, that the author has read, evaluated, and assimiliated that work into the work at hand.

A literature review creates a "landscape" for the reader, giving her or him a full understanding of the developments in the field.  This landscape informs the reader that the author has indeed assimilated all (or the vast majority of) previous, significant works in the field into her or his research. 

 "In writing the literature review, the purpose is to convey to the reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. The literature review must be defined by a guiding concept (eg. your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries.( http://www.writing.utoronto.ca/advice/specific-types-of-writing/literature-review )

Recommended Reading

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• Last Updated: Oct 2, 2023 12:34 PM

Research Methods

• Getting Started
• Literature Review Research
• Research Design
• Research Design By Discipline
• SAGE Research Methods
• Teaching with SAGE Research Methods

Literature Review

• What is a Literature Review?
• What is NOT a Literature Review?
• Purposes of a Literature Review
• Types of Literature Reviews
• Literature Reviews vs. Systematic Reviews
• Systematic vs. Meta-Analysis

Literature Review  is a comprehensive survey of the works published in a particular field of study or line of research, usually over a specific period of time, in the form of an in-depth, critical bibliographic essay or annotated list in which attention is drawn to the most significant works.

Also, we can define a literature review as the collected body of scholarly works related to a topic:

• Summarizes and analyzes previous research relevant to a topic
• Includes scholarly books and articles published in academic journals
• Can be an specific scholarly paper or a section in a research paper

The objective of a Literature Review is to find previous published scholarly works relevant to an specific topic

• Help gather ideas or information
• Keep up to date in current trends and findings
• Help develop new questions

A literature review is important because it:

• Explains the background of research on a topic.
• Demonstrates why a topic is significant to a subject area.
• Helps focus your own research questions or problems
• Discovers relationships between research studies/ideas.
• Suggests unexplored ideas or populations
• Identifies major themes, concepts, and researchers on a topic.
• Tests assumptions; may help counter preconceived ideas and remove unconscious bias.
• Identifies critical gaps, points of disagreement, or potentially flawed methodology or theoretical approaches.
• Indicates potential directions for future research.

All content in this section is from Literature Review Research from Old Dominion University 

Keep in mind the following, a literature review is NOT:

Not an essay 

Not an annotated bibliography  in which you summarize each article that you have reviewed.  A literature review goes beyond basic summarizing to focus on the critical analysis of the reviewed works and their relationship to your research question.

Not a research paper   where you select resources to support one side of an issue versus another.  A lit review should explain and consider all sides of an argument in order to avoid bias, and areas of agreement and disagreement should be highlighted.

A literature review serves several purposes. For example, it

• provides thorough knowledge of previous studies; introduces seminal works.
• helps focus one’s own research topic.
• identifies a conceptual framework for one’s own research questions or problems; indicates potential directions for future research.
• suggests previously unused or underused methodologies, designs, quantitative and qualitative strategies.
• identifies gaps in previous studies; identifies flawed methodologies and/or theoretical approaches; avoids replication of mistakes.
• helps the researcher avoid repetition of earlier research.
• suggests unexplored populations.
• determines whether past studies agree or disagree; identifies controversy in the literature.
• tests assumptions; may help counter preconceived ideas and remove unconscious bias.

As Kennedy (2007) notes*, it is important to think of knowledge in a given field as consisting of three layers. First, there are the primary studies that researchers conduct and publish. Second are the reviews of those studies that summarize and offer new interpretations built from and often extending beyond the original studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally that become part of the lore of field. In composing a literature review, it is important to note that it is often this third layer of knowledge that is cited as "true" even though it often has only a loose relationship to the primary studies and secondary literature reviews.

Given this, while literature reviews are designed to provide an overview and synthesis of pertinent sources you have explored, there are several approaches to how they can be done, depending upon the type of analysis underpinning your study. Listed below are definitions of types of literature reviews:

Argumentative Review      This form examines literature selectively in order to support or refute an argument, deeply imbedded assumption, or philosophical problem already established in the literature. The purpose is to develop a body of literature that establishes a contrarian viewpoint. Given the value-laden nature of some social science research [e.g., educational reform; immigration control], argumentative approaches to analyzing the literature can be a legitimate and important form of discourse. However, note that they can also introduce problems of bias when they are used to to make summary claims of the sort found in systematic reviews.

Integrative Review      Considered a form of research that reviews, critiques, and synthesizes representative literature on a topic in an integrated way such that new frameworks and perspectives on the topic are generated. The body of literature includes all studies that address related or identical hypotheses. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication.

Historical Review      Few things rest in isolation from historical precedent. Historical reviews are focused on examining research throughout a period of time, often starting with the first time an issue, concept, theory, phenomena emerged in the literature, then tracing its evolution within the scholarship of a discipline. The purpose is to place research in a historical context to show familiarity with state-of-the-art developments and to identify the likely directions for future research.

Methodological Review      A review does not always focus on what someone said [content], but how they said it [method of analysis]. This approach provides a framework of understanding at different levels (i.e. those of theory, substantive fields, research approaches and data collection and analysis techniques), enables researchers to draw on a wide variety of knowledge ranging from the conceptual level to practical documents for use in fieldwork in the areas of ontological and epistemological consideration, quantitative and qualitative integration, sampling, interviewing, data collection and data analysis, and helps highlight many ethical issues which we should be aware of and consider as we go through our study.

Systematic Review      This form consists of an overview of existing evidence pertinent to a clearly formulated research question, which uses pre-specified and standardized methods to identify and critically appraise relevant research, and to collect, report, and analyse data from the studies that are included in the review. Typically it focuses on a very specific empirical question, often posed in a cause-and-effect form, such as "To what extent does A contribute to B?"

Theoretical Review      The purpose of this form is to concretely examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review help establish what theories already exist, the relationships between them, to what degree the existing theories have been investigated, and to develop new hypotheses to be tested. Often this form is used to help establish a lack of appropriate theories or reveal that current theories are inadequate for explaining new or emerging research problems. The unit of analysis can focus on a theoretical concept or a whole theory or framework.

* Kennedy, Mary M. "Defining a Literature."  Educational Researcher  36 (April 2007): 139-147.

All content in this section is from The Literature Review created by Dr. Robert Larabee USC

Robinson, P. and Lowe, J. (2015),  Literature reviews vs systematic reviews.  Australian and New Zealand Journal of Public Health, 39: 103-103. doi: 10.1111/1753-6405.12393

What's in the name? The difference between a Systematic Review and a Literature Review, and why it matters . By Lynn Kysh from University of Southern California

Systematic review or meta-analysis?

A  systematic review  answers a defined research question by collecting and summarizing all empirical evidence that fits pre-specified eligibility criteria.

A  meta-analysis  is the use of statistical methods to summarize the results of these studies.

Systematic reviews, just like other research articles, can be of varying quality. They are a significant piece of work (the Centre for Reviews and Dissemination at York estimates that a team will take 9-24 months), and to be useful to other researchers and practitioners they should have:

• clearly stated objectives with pre-defined eligibility criteria for studies
• explicit, reproducible methodology
• a systematic search that attempts to identify all studies
• assessment of the validity of the findings of the included studies (e.g. risk of bias)
• systematic presentation, and synthesis, of the characteristics and findings of the included studies

Not all systematic reviews contain meta-analysis. 

Meta-analysis is the use of statistical methods to summarize the results of independent studies. By combining information from all relevant studies, meta-analysis can provide more precise estimates of the effects of health care than those derived from the individual studies included within a review.  More information on meta-analyses can be found in  Cochrane Handbook, Chapter 9 .

A meta-analysis goes beyond critique and integration and conducts secondary statistical analysis on the outcomes of similar studies.  It is a systematic review that uses quantitative methods to synthesize and summarize the results.

An advantage of a meta-analysis is the ability to be completely objective in evaluating research findings.  Not all topics, however, have sufficient research evidence to allow a meta-analysis to be conducted.  In that case, an integrative review is an appropriate strategy. 

Some of the content in this section is from Systematic reviews and meta-analyses: step by step guide created by Kate McAllister.

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Scholarly Articles: How can I tell?

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Literature Review

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The literature review section of an article is a summary or analysis of all the research the author read before doing his/her own research. This section may be part of the introduction or in a section called Background. It provides the background on who has done related research, what that research has or has not uncovered and how the current research contributes to the conversation on the topic. When you read the lit review ask:

• Does the review of the literature logically lead up to the research questions?
• Do the authors review articles relevant to their research study?
• Do the authors show where there are gaps in the literature?

The lit review is also a good place to find other sources you may want to read on this topic to help you get the bigger picture.

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A Step-by-Step Guide to Writing a Stellar Literature Review (with Help from AI)

Table of contents

Aren’t all of us mini versions of Sherlock Holmes when browsing data and archives for a research piece? As we go through the process, a comprehensive literature review is an essential toolkit to make your research shine.

A literature review consists of scholarly sources that validate the content. Its primary objective is to offer a concise summary of the research and to let you explore relevant theories and methodologies. Through this review, you can identify gaps in the existing research and bridge them with your contribution. 

The real challenge is how to write an excellent literature review. Let’s learn.

What is the purpose of a literature review?

A literature review is an introduction to your research. It helps you put your perspective to the table, along with a summary of the theme.

What does my literature review communicate?

• Explanation of your research: how the information was collected, the research method, the justification of the chosen data sources, and an overview of the data analysis.
• Framework: the journey from where the concept began and how it is presented.
• Connects the previous and current research: 

It presents the broader scope of your research by connecting it to the existing data and debates and underlining how your content fits the prevailing studies. 

In an era of information overload, a literature review must be well-structured. 

Let’s learn all about the structure and style of a literature review that’ll help you strengthen your research.

Literature review– structure and style

Begin with a question and end it with the solution– the key to structuring a literature review. It resembles an essay’s format, with the first paragraph introducing the readers to the topic and the following explaining the research in-depth.

The conclusion reiterates the question and summarizes the overall insights of your research. There’s no word count restriction. —it depends on the type of research. For example, a dissertation demands lengthy work, whereas a short paper needs a few pages. 

In a literature review, maintaining high quality is vital, with a focus on academic writing style. Informal language should be avoided in favor of a more formal tone. 

The content avoids contractions, clearly differentiating between previous and current research through the use of past and present tense. Wordtune assists in establishing a formal tone, enhancing your work with pertinent suggestions. This AI-powered tool ensures your writing remains genuine, lucid, and engaging. 

The option of refining the tonality offers multiple possibilities for rephrasing a single sentence. Thus, pick the best and keep writing.

Get Wordtune for free > Get Wordtune for free >

Your friendly step-by-step guide to writing a literary review (with help from AI)

Do you find it challenging to begin the literature review? Don’t worry! We’re here to get you started with our step-by-step guide.

1. Narrow down the research scope

Simply begin with the question: What am I answering through my research?

Whether it’s cooking or painting, the real challenge is the prep-up for it rather than performing the task. Once you’re done, it smoothly progresses. Similarly, for your literature review, prepare the groundwork by narrowing down the research scope.

Browse and scoop out relevant data inclining well with your research. While you can’t cover every aspect of your research, pick a topic that isn’t too narrow nor too broad to keep your literature review well-balanced. 

2. Hunt relevant literature

The next question: Does this data align with the issue I’m trying to address?

As you review sources of information, hunt out the best ones. Determine which findings help in offering a focused insight on your topic. The best way to pick primary sources is to opt for the ones featured in reliable publications. You can also choose secondary sources from other researchers from a reasonable time frame and a relevant background.

For example, if your research focuses on the Historical Architecture of 18th-century Europe, the first-hand accounts and surveys from the past would hold more weight than the new-age publications. 

3. Observe the themes and patterns in sources

Next comes: What is the core viewpoint in most of the research? Has it stayed constant over time, or have the authors differed in their points of view?

Ensure to scoop out the essential aspects of what each source represents. Once you have collected all this information, combine it and add your interpretations at the end. This process is known as synthesis.

Synthesize ideas by combining arguments, findings and forming your new version.

4. Generate an outline

The next question: How can I organize my review effectively? When navigating multiple data sources, you must have noticed a structure throughout the research. Develop an outline to make the process easier. An outline is a skeletal format of the review, helping you connect the information more strategically.

Here are the three different ways to organize an outline– Chronologically, Thematically, or by Methodology.You can develop the outline chronologically, starting from the older sources and leading to the latest pieces. Another way of organizing is to thematically divide the sections and discuss each under the designated sub-heading.

You can even organize it per the research methods used by the respective authors. The choice of outline depends on the subject. For example, in the case of a science paper, you can divide the information into sections like introduction, types of equipment, method, procedure, findings, etc. In contrast, it’s best to present it in divisions based on timelines like Ancient, Middle Ages, Industrial revolutions, etc., for a history paper.

If you’re confused about how to structure the data, work with Wordtune. 

With the Generate with AI feature, you can mention your research topic and let Wordtune curate a comprehensive outline for your study.

Having a precise prompt is the key to getting the best results.

5. Start filling!

Your next question must be: Am I ready to compose all the parts of the literature review?

Once you’re ready with the basic outline and relevant sources, start filling in the data. Go for an introductory paragraph first to ensure your readers understand the topic and how you will present it. Ensure you clearly explain the section in the first sentence.

However, if beginning from the first paragraph seems intimidating, don’t worry! Add the main body content to the sub-headings, then jump to the introduction. 

Add headings wherever possible to make it more straightforward and guide your readers logically through different sources. Lastly, conclude your study by presenting a key takeaway and summarizing your findings. To make your task easier, work with Wordtune. It helps align your content with the desired tone and refine the structure.

6. Give attention to detail and edit

The last question: Am I satisfied with the language and content written in the literature review? Is it easy to understand?

Once you’re done writing the first draft of a literature review, it’s time to refine it. Take time between writing and reading the draft to ensure a fresh perspective. It makes it easier to spot errors when you disconnect from the content for some time. Start by looking at the document from a bird's eye to ensure the formatting and structure are in order. 

After reviewing the content format, you must thoroughly check your work for grammar, spelling, and punctuation. One of the best approaches to editing and proofreading is to use Wordtune . It helps simplify complex sentences, enhance the content quality, and gain prowess over the tonality.

The dos and don’ts of writing a literature review

Writing a stellar literature review requires following a few dos and don'ts. Just like Sherlock Holmes would never overlook a hint, you must pay attention to every minute detail while writing a perfect narrative. To help you write, below are some dos and don'ts to remember.

Composing a literature review demands a holistic research summary, each part exhibiting your understanding and approach. As you write the content, make sure to cover the following points:

• Keep a historical background of the field of research. Highlight the relevant relation between the old studies and your new research.
• Discuss the core issue, question, and debate of your topic.
• Theories lay the foundation of research. While you’re writing a literature review, make sure to add relevant concepts and ideas to support your statements.
• Another critical thing to keep in mind is to define complex terminologies. It helps the readers understand the content with better clarity. 

Examples of comprehensive literature reviews

Aren’t good examples the best way to understand a subject? Let’s look into a few examples of literature reviews and analyze what makes them well-written.

1. Critical Thinking and Transferability: A Review of the Literature (Gwendolyn Reece)

An overview of scholarly sources is included in the literature review, which explores critical thinking in American education. The introduction stating the subject’s importance makes it a winning literature review. Following the introduction is a well-defined purpose that highlights the importance of research.

As one keeps reading, there is more clarity on the pros and cons of the research. By dividing information into parts with relevant subheadings, the author breaks a lengthy literature review into manageable chunks, defining the overall structure.

Along with other studies and presented perspectives, the author also expresses her opinion. It is presented with minimal usage of ‘I,’ keeping it person-poised yet general. Toward the conclusion, the author again offers an overview of the study. A summary is further strengthened by presenting suggestions for future research as well. 

2. The Use of Technology in English Language Learning: A Literature Review

This literature review is thematically organized on how technology affects language acquisition. The study begins with an introduction to the topic with well-cited sources. It presents the views of different studies to help readers get a sense of different perspectives. After giving these perspectives, the author offers a personalized opinion.

One of the critical aspects that makes this a good literature review is a dedicated paragraph for definitions. It helps readers proceed further with a clear understanding of the crucial terminologies. There’s a comparison of the modern and previous studies and approaches to give an overall picture of the research.

Once the main body is composed, the author integrates recommendations for action-based tips. Thus, the literature review isn’t just summarizing the sources but offering actions relevant to the topics. Finally, the concluding paragraph has a brief overview with key takeaways.

Wordtune: your writing buddy!

A literature review demands the right balance of language and clarity. You must refine the content to achieve a formal tone and clear structure. Do you know what will help you the most? Wordtune !. 

The real-time grammar checker leaves no scope for errors and lets you retain precision in writing. This writing companion is all you need for stress-free working and comprehensive literature review development.

Let the narrative begin

A literary review isn't just about summarizing sources; it's about seamlessly bringing your perspective to the table. Always remember to set a narrative for added interest and a brilliant composition. With structure and style being the pillars of a stellar literature review, work with Wordtune to ensure zero compromises on the quality.

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Q. What is a scholarly literature review? How can I find one?

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Answered By: APUS Librarians Last Updated: Sep 21, 2022     Views: 68510

What is a literature Review?  

A literature review is a  written summary of the existing published research  on a topic.    A literature review can be brief (a section in a larger article) or it can be an entire article unto itself.   The purpose of a literature review is to provide an overview of the current knowledge on a topic, and/or to provide a context for new research.

Click here to see a table that lists the various kinds of literature reviews  that you may encounter in your research. (From Grant, M. J. and Booth, A. (2009),  A typology of reviews: an analysis of 14 review types and associated methodologies .  Health Information & Libraries Journal , 26: 91–108. doi:10.1111/j.1471-1842.2009.00848.x)

To find the literature review section in a scholarly article:

• Scholarly publications (especially peer reviewed articles) will always include at least a brief literature review in their introduction and discussion sections.  Click here to learn how to find scholarly or peer reviewed articles.
• Introduction
• Literature Review
• Survey of the Literature
• Review of the Literature
• Use keywords to narrow your search to literature reviews.  For example:
• motor learning AND literature review
• motor learning AND systematic review
• A few databases will let you limit your search to literature reviews only . You'll typically find this "document type" or "publication type" option in the database's advanced search options.

Here are examples from two popular databases (EBSCO and ProQuest):

See also:  

• What's the difference between a research article (or research study) and a review article?
• How do I write a literature review?
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Academic vs Non-Academic Articles

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Academic vs. Non-Academic: What's the Difference?

The majority of your research will require academic and scholarly articles. Many students struggle with trying to determine what an academic source, or article, is.

Academic articles   are written by professionals in a given field. They are edited by the author's peers and often take years to publish. Their language is formal and will contain words and terms typical to the field. The author's name will be present, as will their credentials. There will be a list of references that indicate where the author obtained the information they are using in the article.

Academic articles can be found in periodicals similar to the Journal of Psychology, Childhood Education, or The American Journal of Public Health.

The following link is an example of an academic article.  Experimental educational networking on open research issues; Studying PSS applicability and development in emerging contexts .

This article is considered academic because the language is very formal and genre-specific, there are two authors and their credentials are listed (these are found at the end of the article), and most importantly there is a list of references.

Non-academic articles are written for the mass public. They are published quickly and can be written by anyone. Their language is informal, and casual and may contain slang. The author may not be provided and will not have any credentials listed. There will be no reference list. Non-academic articles can be found in periodicals similar to Time, Newsweek, or Rolling Stone.

As a general rule religious texts and newspapers are not considered academic sources. Do not use Wikipedia as an academic source. This website can be altered by anyone so any information found within its pages cannot be considered credible or academic.

The following link is an example of a non-academic article.  Marketing News's Writers Rules

This article is non-academic because the language is very casual and includes some examples of slang, there is an author, but they chose to write anonymously so there are no credentials provided for the author, and no references were included to show where the author obtained their information.

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Active Student Participation in Whole-School Interventions in Secondary School. A Systematic Literature Review

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• Published: 04 May 2023
• Volume 35 , article number  52 , ( 2023 )

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This review presents a reasoned synthesis of whole-school interventions seeking to improve the overall school environment by fostering active student participation (ASP) in school activities and decision-making processes. The aims are to describe the selected programs, assess their methodological quality, and analyze the activities soliciting ASP. Among the 205 publications initially provided by the literature search in the academic databases PsycINFO and Education Research Complete, 22 reports met the inclusion criteria of presenting whole-school interventions that solicit ASP in secondary schools, and were thus included in the review. Such publications referred to 13 different whole-school programs, whose implemented activities were distinguished on a 5-point scale of ASP levels, ranging from Very high ASP , when students were involved in a decision-making role, to Very low ASP , when students were the passive recipients of content provided by adults. This review contributes to the literature by proposing an organizing structure based on different levels of ASP, which provides clarity and a common ground for future studies on student participation. Overall, the in-depth description of activities offers a framework to researchers and practitioners for planning interventions aimed at improving the learning environment and contributing meaningfully to the far-reaching goal of encouraging student participation in school life.

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Introduction

Research in educational psychology is consistent in showing that the quality of the school environment largely affects student well-being. Indeed, students’ experiences of a supportive school context have a significant impact on positive behaviors, such as academic achievement (Brand et al., 2008 ; Hoy, 2012 ) and good relationships among students and between students and staff (Cohen et al., 2009 ; Thapa et al., 2013 ). Conversely, the poor quality of the learning environment predicts negative outcomes, such as substance use (Weatherson et al., 2018 ) or bullying (Låftman et al., 2017 ).

In view of this, schools need to face the challenge of implementing interventions aimed at changing and improving the learning environment in the direction of promoting positive behaviors and reducing negative outcomes. One of the most promising directions in this regard is based on the adoption of whole-school approaches whose key features are the focus on overall school systems instead of on specific problems (Bonell et al., 2018 ).

The literature on whole-school interventions is broad (see, for example, Charlton et al., 2021 , for an extensive review on whole-school interventions focused on school climate), but it suffers from two major gaps. First, it relies primarily on programs applicable to elementary schools, while studies on high school populations are rarer, presumably because of the multiple challenges derived from the implementation of programs in such complex contexts (Estrapala et al., 2021 ; Vancel et al., 2016 ). Second, despite the importance generally attributed to the active involvement of students in the programs, to our knowledge, no previous reviews have specifically investigated the degree and the characteristics of student participation in such interventions. To address these limitations, in this article, we present a systematic literature review on whole-school interventions carried out in secondary schools and based on programs that envisage students’ active participation and involvement.

Whole-School Interventions for Improving the Learning Environment

In educational research, some reviews and meta-analyses (Charlton et al., 2021 ; Merrell et al., 2008 ; Voight & Nation, 2016 ) have critically synthesized and discussed studies on school interventions aimed at improving the learning environment. These programs have considered different outcomes of improvement, ranging from a general focus on school climate dimensions—e.g., relational aspects, institutional organization, and safety—to more specific aspects, such as bullying, violence, or substance use. However, the degree of effectiveness of such programs remains controversial. For example, a meta-analysis by Ttofi et al. ( 2008 ) indicated that school-based bullying prevention programs were able to bring about positive results, while another meta-analysis on the same topic (Merrel et al., 2008 ) concluded that evidence in this direction was only modest.

More positive results concerning the effectiveness of interventions were reported by Allen ( 2010 ) with reference to programs conducted by means of a whole-school approach. In her literature overview of studies designed to reduce bullying and victimization, the author concluded that whole-school interventions generally showed at least marginal evidence of improvement. Despite these encouraging findings, the studies conducted with a whole-school approach in secondary education contexts were rare. Among these, a well-established framework of whole-school interventions mostly implemented in middle schools is the School-Wide Positive Behavior Support program (for reviews, see Gage et al., 2018 ; Noltemeyer et al., 2019 ), which is a multi-tiered framework engaging students, school staff, and families for the delivery of evidence-based behavioral support aligned to students’ needs (Horner et al., 2004 ). By and large, the study results in this framework are again promising in suggesting a connection between such programs and school improvement, although the evidence is generally moderate and only regards a few of the considered outcome measures.

The mixed or weak results reported in the cited reviews solicit further exploration of the specific characteristics of whole-school interventions. In particular, a major limitation of the literature is the lack of an in-depth analysis of the types of activities proposed to students in each program, especially as far as their direct involvement is concerned. Given the importance attributed to student engagement in school life (Markham & Aveyard, 2003 ), this is a relevant area of inquiry that can inform researchers and practitioners willing to design and conduct whole-school interventions calling for students’ involvement.

Student Involvement in School Intervention

The importance of students’ involvement and participation finds a theoretical ground in the self-determination theory (see Ryan & Deci, 2017 ), according to which people who are self-determined perceive themselves as causal agents in life experiences, being proactive and engaged in the social environment. Studies examining such human disposition in adolescence supported the relevance of self-determination for quality of life and identity development (Griffin et al., 2017 ; Nota et al., 2011 ) and as a full mediator in the negative association between stress and school engagement (Raufelder et al., 2014 ).

In the light of these assumptions, educational and school psychologists have launched scientific and professional debates on the ways in which schools can implement favorable conditions for students to feel active and co-responsible for their educational and academic pathways (Carpenter & Pease, 2013 ; Helker & Wosnitza, 2016 ; Schweisfurth, 2015 ). These debates have reached consensus across-the-board on the recognition that school change and improvement are best fostered by intervention programs in which students are offered opportunities to get actively involved in school life (Baeten et al., 2016 ; Voight & Nation, 2016 ). For this goal to be achieved, all educational agencies are called upon to promote interventions capable of supporting activities that require student involvement and participation (Antoniou & Kyriakides, 2013 ).

The importance of students’ active participation in the school environment has also been confirmed by a substantial amount of literature investigating over time the association between high student involvement and positive learning environments. Mitchell ( 1967 ) reported that school climate is related to the extent of student participation and interaction during school life. Epstein and McPartland ( 1976 ) showed that student opportunities for school involvement were related to satisfactory outcomes. In a 1982 review published, Anderson claimed that “the type and extent of student interaction that is possible within a school appears to be a significant climate variable” (Anderson, 1982 ; p.401). A few years later, Power et al. ( 1989 ) described a program implemented in several contexts and characterized by high student involvement, whose results showed that a high rate of student participation led to their capacity to take on responsibility for building an effective learning environment and positive climate. More recent studies (Vieno et al., 2005 ) have confirmed that democratic school practices, such as student participation in decision-making processes, play a significant role in the development of a sense of community at individual, class, and school levels. The review by Thapa et al. ( 2013 ) confirmed the importance of student classroom participation as a variable affecting school climate and academic achievement.

On these theoretical and empirical grounds, providing space to student voices in decision-making and school change emerges as a powerful strategy for improving school environments and enforcing the success of programs (Mitra, 2004 ). The construct of student agency fits in well with this approach, as it refers to the students’ willingness and skill to act upon activities and circumstances in their school lives (Lipponen & Kumpulainen, 2011 ). Representing adolescents’ authentic, proactive, and transformative contributions to school life (Grazia et al., 2021 ), agency is fostered by school environments capable of soliciting and valorizing students’ active participation in educational practices and school decisions (Makitalo, 2016 ) and encouraging them to feel co-responsible with teachers and staff for their school lives (Mameli et al., 2019 ). The value of agency has been confirmed by research showing its positive associations with motivation and the fulfilment of basic psychological needs (Jang et al., 2012 ) as well as with the perception of supportive teaching (Matos et al., 2018 ).

Despite the agreement on student participation as a crucial feature for the success of programs capable of improving students’ school life, to our knowledge, previous literature reviews on school interventions have not focused specifically on the extent and way in which students are given a voice and are involved in the programs. In view of this, in the present work, we set out to search, in the existing literature, for interventions specifically based on activities in which students were not just the recipients of activities but rather took on an active and decision-making role. For our purposes, we use the notion of active student participation (ASP) to include the variety of ways in which students are given the opportunity to participate actively in school activities and decisions that will shape their own lives and those of their peers.

Review’s Aims

Previous reviews (Charlton et al., 2021 ; Estrapala et al., 2021 ; Voight & Nation, 2016 ) have provided extensive descriptions of whole-school interventions aimed at improving school environments or reducing school problems, suggesting their effectiveness. Moreover, a growing amount of literature has found that students’ active involvement in their school life is a crucial feature for improvement. Our general goal was to move forward by conducting an in-depth examination of existing whole-school interventions based on activities promoting ASP in secondary schools, by providing a reasoned synthesis of their characteristics and implementation. The choice to focus on secondary schools was driven by the evidence that this developmental stage has so far received less attention in whole-school intervention research (Estrapala et al., 2021 ; Vancel et al., 2016 ).

Given the large heterogeneity of existing intervention programs, both in terms of participants (specific subgroups vs general student population) and targets of improvement (specific abilities vs general school environment), it was essential to set clear boundaries for the study selection. As this was a novel undertaking, we chose to focus on whole-school interventions directed to the overall student population and aimed at improving the school climate as a whole. This allowed us to select a reasonably homogeneous sample of studies, with the confidence that future reviews will advance our knowledge by considering more specific fields and populations.

The review’s aims were (a) to describe the selected programs on the basis of their focus, country, duration, age of participants, and research design; (b) to assess the soundness of the research design and methodologies adopted in each study in order to provide evidence of the methodological quality of the selected programs; and (c) to differentiate among various levels of ASP in the program’s activities and, for each of these levels, to describe methods and activities carried out in the programs.

The present review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 updated statement (PRISMA 2020; Page et al., 2021 ). In line with the terminology proposed by the authors, in the following sections, we use the term study for every investigation that includes a well-defined group of participants and one or more interventions and outcomes, report for every document supplying information about a particular study (a single study might have multiple reports), and record for the title and/or abstract of a report indexed in a database. In addition, for the specific purposes of the present review, we use the term program when referring to an implemented whole-school intervention that has specific characteristics and is usually named, since more than one study may be conducted with the same program.

Eligibility Criteria

Studies were eligible for inclusion in the review if they were (i) written in English language; (ii) published in peer-reviewed academic journals; and (iii) aimed at assessing psychological effects of whole-school interventions that solicit ASP in secondary schools; thus, studies in which students were involved solely as recipients of activities delivered by adults were excluded. Moreover, in line with the review’s aims described above, studies were excluded from the review if they were (i) focused on specific subgroups of students (e.g., ethnical minorities or LGBTQ students); (ii) solely aimed at improving specific skills (e.g., literacy or mathematics); and (iii) solely focused on physical health (e.g., nutrition or physical activity).

Information Sources and Search Strategy

A literature search was conducted via EBSCO, including the academic databases PsycINFO and Education Research Complete, last consulted on April 9, 2022. The entered search terms were school-wide interventions OR whole-school interventions OR school-wide programs OR whole-school programs OR school-wide trainings OR whole-school trainings AND secondary school OR high school OR secondary education. By means of the software’s automated procedure, we searched these terms in the abstracts and filtered the results according to the first two inclusion criteria, selecting articles in English and published in peer-reviewed academic journals.

Selection and Data Collection Process

The records of each study were screened by two researchers, and the potentially relevant studies were further assessed for eligibility by three researchers, who read the full text independently. Moreover, some records relevant to the purposes of the research were identified through the references of the included documents ( forward snowballing ; Wohlin, 2014 ). Data from each included report were searched by two researchers, who worked independently to extrapolate the information relevant to the review, which were (a) the study characteristics; (b) the indicators of methodological quality; and (c) the program activities.

Detailed information about the selection process is provided in the PRISMA flow diagram (Fig.  1 ). The literature search provided 205 total records, and reduced to 169 after the automatic deduplication provided by EBSCO. After the application of our inclusion and exclusion criteria, 62 records were selected for full text reading. Of the 107 excluded records, 37 did not report interventions (e.g., they presented only school surveys), 25 were informative papers on initiatives and/or interventions without assessments, 15 focused only on academic skills attainment, 11 referred to primary schools, 10 focused on minorities, 6 were reviews of books or DVDs, and 3 only evaluated physical health as an outcome. After the full text reading of the 62 selected reports, 48 were excluded as they only discussed aspects related to implementation (e.g., feasibility or fidelity) without assessing the psychological effects of the intervention on students ( n  = 23) or did not solicit ASP during the intervention ( n  = 25). Thus, 14 reports were included in the sample. In addition, 10 reports were identified by sifting through the references of the selected documents ( forward snowballing ; Wohlin, 2014 ). After the full text reading, two of them were excluded as they did not assess the effects of the intervention. At the end of the selection process, the final sample of the present review included 22 reports, which referred to 16 studies and 13 programs.

PRISMA flow diagram

Study Characteristics

The main information about each study is reported in Table 1 . As for the focus of the interventions, three macro-areas were identified: (a) prevention of violence (nine studies and twelve reports), including programs for less bullying, cyberbullying, dating violence, sexual violence, and aggression; (b) promotion of mental health (five studies and seven reports), including programs for addressing depression and suicide risk and for promoting general psychological health; (c) promotion of positive emotional and relational school climate (two studies and three reports), including programs for enhancing school connectedness and school climate.

Within each macro-area, in Table 1 , the programs are listed following the alphabetical order of the program name. Out of the studies focused on preventing violence, three referred to unnamed anti-bullying programs, which in the present review were labeled Anti-bullying_1 , Anti-bullying_2 , and Anti-bullying_3 ; the other studies on the topic referred to an anti-cyberbullying program named Cyber Friendly School ; an anti-bullying program named Friendly School ; a bystander program aimed at preventing dating violence and sexual violence, named Green Dots ; a program aimed at preventing bullying and aggression, named Learning Together ; and an anti-bullying program named STAC , which stands for Stealing the show, Turning it over, Accompanying others, Coaching compassion. The studies focused on promoting mental health comprised a school research initiative aimed at preventing depression, named Beyond blue ; an intervention aimed at promoting mental health, named Gatehouse Project ; and a program to prevent suicide risk, named Sources of Strengths . Out of the studies focused on promoting positive emotional and relational school climate, one referred to the Restorative Justice program, aimed at promoting healthy and trusting relationships within the school, and the other referred to a program aimed at the promotion of a good school climate, named SEHER , which stands for Strengthening Evidence base on scHool-based intErventions for pRomoting adolescent health.

A large majority of the studies were conducted in the USA, some were carried out in Australia and the UK, and a few studies in India and China. The studies varied in duration, ranging from one to seven school years, and the number of schools involved in the intervention, ranging from 1 to 75. About half of the studies involved students from all grades while the other half was targeted only for some grades. Lastly, the reports varied in its research design: the majority conducted experimental group comparisons (EGC), but also other quantitative research designs (O) were present along with some qualitative designs (QUAL). To make text and tables more readable, the 13 included programs were renamed with a program ID consisting of the initials of the program name. Similarly, the 22 included reports were renamed with a report ID , consisting in the program ID followed by the surname of the first author and the publication year, all separated by underscores. Report ID and Program ID are reported in Table 1 .

Assessment of Methodological Quality

To assess each report’s methodological quality, we searched in the literature for a rigorous and comprehensive set of indicators and eventually decided to use as a reference the standards for evidence-based practices identified by the Council for Exceptional Children (CEC, 2014 ), which include indicators on setting and program description, fidelity, and reliability of outcome measures. Although the standards were originally recommended for the specific field of special education, they are considered appropriate to evaluate studies in all educational settings and were previously used by Charlton et al. ( 2021 ) in a systematic review studying the effects of school-wide interventions on school climate perceptions. Given that our aim was not to identify evidence-based practices but more generally to assess the methodological quality of the reports included in the review, some of the identified indicators were not applicable to our material. For this reason, among all the indicators described in the document (CEC, 2014), we selected those that provided a general overview of each report’s methodological quality. The selected indicators, their corresponding number in the CEC document, and a short description for each are reported in Table 2 .

In more detail, we applied a more extensive set of indicators to reports which fit the CEC definition of experimental group comparison design (EGC, as reported in Table 1 ), where participants were divided into two or more groups, both randomly and non-randomly, to test the effects of the interventions. For reports based on qualitative analyses and on quantitative analyses not consistent with the EGC design (QUAL and O, as reported in Table 1 ), we used a more limited set of indicators (indicators 1 to 6, as described in Table 2 ) and included a brief description of the research aims and methods. In the assessment of methodological quality, interrater reliability was achieved as three independent researchers read each report in detail, and the attribution of each indicator was discussed and agreed upon.

The assessment of methodological quality for the EGC reports is summarized in Table 3 . The findings show that most studies were strong in contextualizing the research, clearly describing the intervention program (either directly or with references to previous work) and conducting quality analyses. Weak points emerged to be related to the assessment of fidelity implementation (indicators 4 and 5 in Table 3 ), both with reference to adherence to the intervention program and to the dosage received by participants. Results for studies with qualitative analyses or quantitative analyses not EGC are reported in Table 4 . Like the ECG reports, most of these studies appeared strong in contextualizing the research and describing the intervention program, while fidelity of implementation received less attention (indicators 4 and 5 in Table 4 ).

Levels of Active Student Participation

As required by our inclusion criteria, all the selected programs were based on interventions that solicited ASP. However, from the careful analysis of the studies, we realized that the program activities promoted very different forms of ASP. Three independent researchers thus considered in detail each activity described in the programs and eventually agreed to score it on a 5-point scale (see Table 5 ), distinguishing among activities that solicit various levels of ASP. The scale partly followed the school participation scale of the HBSC questionnaire as defined by De Róiste et al. ( 2012 ). It ranged from Very high levels of ASP, attributed to activities in which students were given a fully decision-making role, to Very low levels of ASP, given to activities in which students were just the recipients of activities delivered by adults. In line with our inclusion criteria, in no programs, students were involved solely as recipients of activities delivered by adults (Very low ASP). Moreover, levels were not mutually exclusive, so that each program might include different levels of ASP.

In Table 5 , we report all the considered ASP levels, with the specifically related activities, and the coding of each program. It should be specified that the distribution of activities in the various levels was based on a qualitative accurate analysis of the role attributed to students and not on the number of students involved in each program’s activities, which varied to a great extent. In more detail, Very high ASP was attributed to interventions in which students were involved in processes with a direct organizational impact on school roles, curricula, and policies; this included two types of activities, i.e., student involvement in decision-making processes and the formation of school action teams comprising students. High ASP was recognized when students were still involved in organizational activities, but their role was limited to the implementation of activities and did not directly impact on school curricula and policies; it consisted of three activities, i.e., presentation of students’ works, leading of activities for peers, and leading of activities for adults. Moderate ASP was attributed when students were asked to express their viewpoints and opinions, without having a decision-making power, however; it comprised activities in which students were called to express their points of view on various school issues, either by the provision of platforms to share ideas, concerns, or suggestions, or by the organization of interactive school assemblies, or by their involvement in surveys based on data collection (e.g., by means of questionnaires) on specific aspects of their school life. Low ASP was attributed when the students’ activation was limited to a specific task required within a structured format designed by other people, including training for student leaders, interactive group activities, and individual activities. Finally, activities were coded as Very low ASP when students were involved as the passive recipients of contents provided by adults, through lecture-style lessons, viewing of videos, or distribution of didactic material. The activities provided for in each program are described at length in the following paragraphs, considering activities scored in every specific level of ASP.

For the sake of completeness, in Table 5 , we added a final column in which we indicated additional program activities that involved the staff. They comprised the formation of school action teams made up of adults, training, and the provision of materials for the staff. As the description of these activities goes beyond the scope of our investigation, we will not describe them in detail.

Very High ASP: Making School Rules

As can be seen in Table 5 , activities implying involvement of students in decision-making processes were identified in six programs. In AB3, during a school assembly, students were invited to develop a whole-school anti-bullying policy, while in later activities, they were asked to identify strategies to be implemented in the school to prevent bullying. In CFS, school staff and student leaders conducted whole-school activities helping students to review school policies to promote a positive use of technology. In FS, the intervention aimed to help the transition between primary and secondary school was co‐developed with students who had already made such a transition. In GP, the use of peer support and leadership was encouraged to increase opportunities and skills for students to participate in decision-making processes within the school; in addition, at a classroom level, rules were negotiated by teachers and students and displayed in each classroom. In RJ, during the first year of implementation, staff and students developed a plan for pathways of primary, secondary, and tertiary restorative interventions; in the following years, students’ leadership roles and collective decision-making activities increased, so that students themselves were able to advance whole-school initiatives and activities, to map out course goals and determine which projects they would embrace. Finally, in SE, some health policies were discussed with the principal, teachers, and students before being finalized in a school action team meeting and disseminated at whole-school level.

Activities consisting in the creation of school action teams (or school action groups) including students and teachers were identified in three programs (see Table 5 ). In AB2, a school action group with both students and staff was formed to define action plans and training for staff on restorative practices at whole-school level and to implement a new school curriculum focusing on social and emotional skills. In LT, a school action group comprising around six students and six staff was formed to lay down school policies and coordinate interventions, based on the feedback from the student data collection. In SE, a school health promotion committee, consisting of representatives from the school board, parents, teachers, and students, was formed to discuss issues submitted by the students and to plan the activities for the future years based on the feedback from the activities already carried out. In addition, a peer group of 10 and 15 students from each class discussed health topics and student concerns with adult facilitators, in order to develop an action plan and to help in organizing various activities, such as contests and school assemblies.

High ASP: Organizing School Events

Three types of activities were included in this level of ASP. As reported in Table 5 , five programs solicited the creation of different student artifacts . AB1 included a student-made video on bullying to be presented to all the students. In GP, student artifacts were presented to audiences such as parents, other students, teachers, and members of the community. In SS, student leaders made presentations for peers to share personal examples of using the strengths provided by the program. In RJ, students engaged in collaborative, interactive writing activities based on analytical reflection for the realization of a rubric co-developed by students. SE included the contribution of all the students, teachers, and the principal in the realization of works like write-ups, poems, pictures, or artwork, on specific topics for a monthly wall magazine publication. SE also envisaged contests among students, such as poster-making and essay writing, linked to the monthly topic of the wall magazine.

Activities regarding the organization of student-led activities for peers were found in four programs (see Table 5 ). In CFS, student leaders (four to six in each intervention school) conducted at least three important whole-school activities to promote students’ positive use of technology for raising students’ awareness of their rights and responsibilities online; they also provided cyberbullying prevention trainings for peers. In SS, student leaders (up to six in the school) conducted activities aimed at raising awareness of Sources of Strengths , generating conversations with other students, providing presentations about the strengths proposed by the program, and engaging peers to identify their own trusted adults. RJ included student-led restorative circles with students, workshops for students, and peer-to-peer mentorship on restorative practices. In SE, student leaders (between 10 and 15 in each class) conducted peer group meetings to discuss on relevant health topics.

In two programs, student-led activities for adults were organized (see Table 5 ). In CFS, student-led activities provided information to the teaching staff about the technologies used by students and cyberbullying prevention training given to parents. In RJ, circles and workshops on restorative practices were implemented by the students for the staff.

Moderate ASP: Expressing Personal Views

Three types of activities were included in this level of ASP. As can be seen in Table 5 , two programs provided platforms where students could express their personal views on various topics. In BB, students, families, and school staff were provided with platforms to share information and communication on mental health issues. In SE, platforms were used to raise concerns, make complaints, and give suggestions, either anonymously or by self-identifying, on the intervention topics.

Interactive assemblies for students to discuss on the main intervention topics were organized in three programs (see Table 5 ). AB1 provided a first interactive school assembly to discuss respect and bullying, and later assemblies at class level to further discuss the themes emerged during the whole-school assembly. Similarly, AB3 included a school assembly where students were encouraged to get involved in the development of a whole-school anti-bullying policy, followed by three lessons during which the class teacher facilitated a discussion in each class aimed to raise awareness about bullying and to think about school-based solutions. SE included group discussions for generating awareness about health issues, to be discussed during the school assemblies that took place four times a month.

In six programs, students were given a voice by data collections to be used in the process of school changes (see Table 5 ). AB1 included a bullying report form that students, in addition to staff and parents, filled in to report bullying incidents. AB3 provided feedback from student data collection during the school assembly as a basis for discussing whole-school anti-bullying strategies. In LT, annual reports on students’ needs, drawing from student surveys in relation to bullying, aggression, and school experiences, guided the action teams to define school policies and coordinate interventions. In BB, summaries of student and staff data on current school structures, policies, programs, and practices related to student well-being, collected annually, were used by the team to create an “action plan” for changes across the school, both at the classroom and whole-school level. In GP, the profile emerging from the student surveys on school environment guided school teams in the definition of priority areas and strategies within each school, both by coordinating existing health promotional work and introducing new strategies that met the needs of a specific school. In SE, the school action team planned school activities based on reports and discussions on issues presented by the students.

Low ASP: Trainings

A low level of ASP was identified in three types of activities. As can be seen in Table 5 , four programs included trainings for student peer leaders . CFS provided a 10-h training for peer leaders to lead whole-school activities on the positive use of technology. GD provided a 5-h bystander training for student leaders to recognize situations and behaviors that could lead to violence or abuse and to identify active bystander behaviors to be performed either individually or collectively to reduce the risk or effect of violence. ST provided a 90-min training session and two 15-min booster sessions on bullying, which included icebreaker exercises, hands-on activities, and role plays. SS provided a 4-h interactive training for peer leaders aimed at developing protective resources in themselves and encouraging peers to grow such resources as well.

Eight programs included interactive group activities (see Table 5 ). In AB3, students worked in small groups to identify the types of bullying in the school and to discuss strategies to prevent bullying, with the support of bullying scenarios with discussion questions. In CFS, interactive activities included problem-solving, quizzes, and case studies on the use of technology to prevent cyberbullying. LT included various interactive activities aimed at preventing violence, ranging from informal practice, for example, using “affective” statements to communicate feelings, to formal practices, for example hosting a restorative “circle” where participants were encouraged to express emotions and create emotional bonds after problematic or disruptive behavior. BB provided a range of interactive teaching methods, such as small-group exercises, role plays, and quizzes, for reflecting on mental health issues. GP provided activities as small group work and class discussion, by also implementing interactive teaching strategies, such as using questions to kindle discussions and emphasizing the importance to consider different perspectives on a topic, encourage challenges, and debate ideas. SS included peer-to-peer messages and activities wherein student leaders shared examples of strengths that have helped them to overcome personal challenges and invited their peers to participate in interactive tasks. RJ included many interactive practices, such as restorative circles, interactive writing activities, and peer-to-peer mentorship to broaden the impact of restorative practices. SE included monthly contests for students, such as elocution, debates, and quiz games.

Finally, in BB program, some individual activities , in addition to group tasks, were conducted (see Table 5 ). Such activities consisted of individual writings and self-reflection on specific topics, aimed at building or enhancing sense of self-worth, belonging, control, purpose, future, and humor, which were considered to protect against mental health problems.

Very Low ASP: Students as Recipients

Activities in which student’s role was overall that of the recipients of actions taken from adults were of three types. As can be seen in Table 5 , six programs included lecture-style lessons . AB1 included the speech by a nationally known speaker about respect and bullying and the presentation of the Social Support System to students by their English teachers. AB3 included the presentation of summary feedback from the pre-test questionnaires during a school assembly and three lessons, delivered by the class teachers, on school bullying. CFS included lessons led by class teachers, aimed at improving online social skills, focusing, in particular, on positive communication, resilience, self-management, conflict resolution, and social responsibility. GD included a 50-min persuasive lesson led by adults focused on violence victimization, perpetration, and prosocial behaviors. LT included adult-led lessons on social and emotional skills. SE organized workshops led by teachers or program facilitators on effective study skills, such as time management, learning style, note-taking, reading comprehension, memorization techniques, and concentration techniques.

Three programs included the viewing of videos during the implementation (see Table 5 ). AB1 and AB3 provided a video on school bullying for all the students. BB provided video or DVD materials on mental health issues.

Finally, three programs provided students with informative materials (see Table 5 ). AB1 provided a form with several responses for intervening against bullying, which offered alternatives to the traditional method of apportioning blame and punishing bullies. Similarly, AB3 provided a worksheet on possible responses to bullying. FS provided educational magazines on bullying issues. BB provided many materials, such as individual student workbooks, a review poster, master copies of resources for all activities, and homework worksheets.

The aim of this systematic review was to provide a reasoned synthesis of whole-school interventions in secondary school capable of improving the school environment by assigning an active role to students. The first result that warrants consideration regards the number of publications that met our eligibility criteria to select whole-school interventions based on activities soliciting ASP in secondary schools. Despite the wide interest of researchers on the topic of whole-school interventions in general (see Bonell et al., 2018 ; Charlton et al., 2021 ), our selection and data collection process eventually provided only 22 reports referring to 16 studies that fostered ASP during the intervention. This result calls for further work in the field. Based on the emphasis given by educational and political agendas about the importance of empowering students in their role as active participants in schools, first of all, and in societies, subsequently, research should not overlook the question of how to improve their participatory skills by involving them in school activities and decisions (Markham & Aveyard, 2003 ). More investment in this direction is needed to evaluate the consistency and efficacy of the existing programs, to eventually reach consensus on the intervention protocols that schools can implement to improve their learning environment. Results related to each of our specific aims will be discussed in the following paragraphs.

Characteristics of the Selected Programs

As for the first aim of the review, concerning the description of the identified literature, several reflections arise from our results. Considering the year of publication, we found growing interest by researchers in the field, as most reports were published in the last few years, i.e., from 2018 to 2021. This may be considered positive indication that research has identified student participation in school interventions as a crucial topic on which to invest for future works. As for the focus of the selected literature, most of the included studies concerned the reduction of violent behaviors, referring for the most part to bullying, while the promotion of a more general positive emotional and relational school climate is the less investigated topic. Notwithstanding the overall need to fill in this limitation of research, these results suggest that future studies should address the issue of how it is possible to create better school environments for students starting from their own involvement and decision-making roles. This is consistent with the direction indicated by Bonell et al. ( 2018 ), who upheld the importance of focusing more on overall school systems rather than on specific problems. The implementation of a larger number of programs fostering ASP in order to improve school climate and learning environments would thus be important to understand how to support students in dealing with the variety of non-specific problems that can arise during school life. Indeed, as confirmed by the literature, a positive school climate is related to higher academic achievement (Berkowitz et al., 2017 ; Kutsyuruba et al., 2015 ) and fewer problematic behaviors, violence (Reaves et al., 2018 ), and psychological malaise at school (Aldridge and McChesney, 2018 ). Finally, looking at the country of the selected program implementation, most of the studies were conducted in the USA, some in Australia and the UK, and a few in India and China. To our knowledge, with the exception of the two anti-bullying programs carried out in the UK and included in the current review, no other studies were conducted in European countries. With caution, as in many other countries researchers may have developed programs that could not be included in this review due to the inclusion criteria, we consider this as a gap in the literature that future work should fill, especially considering that school policies and organizations are very different between continents. In this regard, it would be interesting both to replicate existing programs and to develop revisited or new interventions specifically adapted to the context of the country’s school system, a work that would also fulfil the aim to increase the ecological validity of the proposed activities.

Methodological Quality of the Selected Reports

The second aim of the review was to assess the soundness of the research design and methodologies adopted in the selected studies. In this regard, we found that the considered reports were robust overall, as they met most of the considered indicators of methodological quality. In particular, most of the studies, based both on EGC or on other designs, described and contextualized the intervention and provided adequate analyses. Beyond the generally good methodological quality of the included studies, consistently with previous examinations of intervention programs (Charlton et al., 2021 ), we found a weakness concerning the fidelity of implementation, as this indicator was observed in only about half of the considered programs. Given that fidelity is a fundamental aspect for the evaluation of the intervention efficacy (O’Donnell, 2008 ), future studies should consider this important factor, by adding it to the evaluation of the programs for providing adequate monitoring tools that include qualitative and process indicators. Overall, however, the literature on the interventions meeting the criteria for our review, albeit limited, relies on methodologically sound grounds that allow us to draw some conclusions on programs and activities actively involving students and to offer suggestions for researchers and practitioners in the field.

Program Activities and Levels of ASP

As for the third and last aim of the review, i.e., concerning the analysis and description of ASP activities proposed in the various programs, our results offer material for an innovative way to look at the programs and points the way to future research in the field. In particular, some points should be highlighted. First, we were able to show that a variety of ASP activities can be used in interventions, from those requiring students to directly act on school programs and policies to those in which students are merely involved as recipients of contents delivered by school staff. From the careful and independently conducted analysis of all program activities, we were also able to grade such activities on a scale ranging from very high to very low levels of ASP. This may be a useful tool for researchers, as it advances a way to develop and organize interventions fostering different levels of ASP activities, to be selected on the basis of the research focus and aims. The effort to identify different levels of ASP also has the merit of introducing some degree of clarity and order in the great variability of program activities. While the importance of student involvement and participation was generally recognized in the literature (Baeten et al., 2016 ; Schweisfurth, 2015 ), our in-depth description shows that not all forms of participation are equal, and thus offers a tool to differentiate between them. This advances our understanding of the concept of student participation both on a theoretical and methodological level.

Beyond this general picture of ASP activities, our findings show that the interventions based on the highest levels of ASP are those aimed at generally improving the school environment, i.e., the Restorative Justice and SEHER programs. These programs included all but one of the activities defined as Very High ASP or High ASP , while all other programs usually provided only one or two of them. This result can offer interesting insights if taken together with the above-reported considerations on the importance to promote overall school improvement, and not to restrict the focus on one or few specific problems. On the basis of this result, we tentatively advance that when the study scope is broad and the theoretical approach is systemic, interventions are more directly centered on lending a voice to students and assigning to them a decision-making role. This again supports the importance of promoting whole-school interventions targeted toward the general learning environment.

Limitations and Conclusion

We are aware that the findings of the present literature review should be considered in the light of certain limitations. First of all, our choice to include only studies published in peer-reviewed journals in English requires some caution. While this selection criteria allowed us to provide a picture of the international literature, this might entail the loss of programs published in other languages that nonetheless contribute to the issue and deserve to be explored in future reviews. Secondly, in the present work, we did not address the issue of cross-cultural similarities and differences in schooling and education, which may influence the way ASP is conceived and valorized in the school context. However, the levels of ASP activities we proposed have the strength of resulting from the analysis of programs from several countries and may thus offer a basis for future discussions on the cross-cultural validity of practices fostering ASP. Furthermore, the present review has focused only on secondary school programs. While this choice was needed for guaranteeing clear references and boundaries to our findings, it also leaves to be explored whether our proposed classification of ASP activities could also be applied to younger students. Given the developmental and organizational differences between primary and secondary levels of education, this issue certainly merits further exploration in future reviews.

As the aim of our review was to provide an in-depth and reasoned description of existing studies based on ASP and of the activities adopted to promote the active role of students, testing the efficacy of these studies was beyond the scope of the present work. While future research may advance this line of inquiry, based on the evidence that different outcomes are considered in such a small number of studies, it seems premature to move toward extensive efficacy testing such as meta-analyses. Rather, at present, it is probably more feasible and desirable to have an increasing amount of literature focusing on ASP in whole-school interventions, to collect further evidence of robust programs and activities, especially with regard to high ASP. As a possible further research question in this direction, we suggest it would also be useful to assess whether the ways of actively involving students may change depending on the intervention target outcomes or on the number of students taking part in the activities. Lastly, while this is true for any review of the literature, it should nonetheless be acknowledged that our syntheses and reflections are dependent upon the choices made in the article selection process. For example, our inclusion and exclusion criteria (i.e., focusing on general participants and targets of intervention) may have restricted our sample. With this in mind, we followed closely the PRISMA guidelines and detailed each step of the process, so that readers can be well informed and future research may build as seamlessly as possible from our work.

Despite the mentioned limitations, this review provides a literature advance in its in-depth examination of existing whole-school interventions that include active student participation in secondary school. Their description and reasoned synthesis make available to researchers and practitioners an overview of specific programs and activities that are being used to actively involve students in processes of change. This in turn can inform reflections and experimentations as to how to integrate and improve the existing provision. In this direction, the major effort and contribution of the present review is the proposal of an organizing structure based on different levels of ASP for analyzing interventions, which allows to classify the specific activities included in each program. Such an effort provides a common ground for reflections and future studies on active student participation, as a shared classification can be instrumental for planning new interventions or evaluating the actual degree of students’ active involvement in the implemented programs. Overall, this work significantly contributes to the far-reaching goal of encouraging student participation in school life, and more specifically in the transformation of their learning environment, so that they can be empowered in shaping it to be increasingly responsive to their insights, ideas, and needs.

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All the authors contributed to the study conception and design. Literature search was conducted by Sara Berti; assessment of methodological quality was supervised by Valentina Grazia; draft of the introduction and overall supervision were performed by Luisa Molinari. All the authors contributed to data analyses, draft of the manuscript, and critical revisions of the work and they eventually approved the final manuscript.

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Berti, S., Grazia, V. & Molinari, L. Active Student Participation in Whole-School Interventions in Secondary School. A Systematic Literature Review. Educ Psychol Rev 35 , 52 (2023). https://doi.org/10.1007/s10648-023-09773-x

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Writing, reading, and critiquing reviews

Écrire, lire et revue critique, douglas archibald.

1 University of Ottawa, Ontario, Canada;

Maria Athina Martimianakis

2 University of Toronto, Ontario, Canada

Why reviews matter

What do all authors of the CMEJ have in common? For that matter what do all health professions education scholars have in common? We all engage with literature. When you have an idea or question the first thing you do is find out what has been published on the topic of interest. Literature reviews are foundational to any study. They describe what is known about given topic and lead us to identify a knowledge gap to study. All reviews require authors to be able accurately summarize, synthesize, interpret and even critique the research literature. 1 , 2 In fact, for this editorial we have had to review the literature on reviews . Knowledge and evidence are expanding in our field of health professions education at an ever increasing rate and so to help keep pace, well written reviews are essential. Though reviews may be difficult to write, they will always be read. In this editorial we survey the various forms review articles can take. As well we want to provide authors and reviewers at CMEJ with some guidance and resources to be able write and/or review a review article.

What are the types of reviews conducted in Health Professions Education?

Health professions education attracts scholars from across disciplines and professions. For this reason, there are numerous ways to conduct reviews and it is important to familiarize oneself with these different forms to be able to effectively situate your work and write a compelling rationale for choosing your review methodology. 1 , 2 To do this, authors must contend with an ever-increasing lexicon of review type articles. In 2009 Grant and colleagues conducted a typology of reviews to aid readers makes sense of the different review types, listing fourteen different ways of conducting reviews, not all of which are mutually exclusive. 3 Interestingly, in their typology they did not include narrative reviews which are often used by authors in health professions education. In Table 1 , we offer a short description of three common types of review articles submitted to CMEJ.

Three common types of review articles submitted to CMEJ

More recently, authors such as Greenhalgh 4 have drawn attention to the perceived hierarchy of systematic reviews over scoping and narrative reviews. Like Greenhalgh, 4 we argue that systematic reviews are not to be seen as the gold standard of all reviews. Instead, it is important to align the method of review to what the authors hope to achieve, and pursue the review rigorously, according to the tenets of the chosen review type. Sometimes it is helpful to read part of the literature on your topic before deciding on a methodology for organizing and assessing its usefulness. Importantly, whether you are conducting a review or reading reviews, appreciating the differences between different types of reviews can also help you weigh the author’s interpretation of their findings.

In the next section we summarize some general tips for conducting successful reviews.

How to write and review a review article

In 2016 David Cook wrote an editorial for Medical Education on tips for a great review article. 13 These tips are excellent suggestions for all types of articles you are considering to submit to the CMEJ. First, start with a clear question: focused or more general depending on the type of review you are conducting. Systematic reviews tend to address very focused questions often summarizing the evidence of your topic. Other types of reviews tend to have broader questions and are more exploratory in nature.

Following your question, choose an approach and plan your methods to match your question…just like you would for a research study. Fortunately, there are guidelines for many types of reviews. As Cook points out the most important consideration is to be sure that the methods you follow lead to a defensible answer to your review question. To help you prepare for a defensible answer there are many guides available. For systematic reviews consult PRISMA guidelines ; 13 for scoping reviews PRISMA-ScR ; 14 and SANRA 15 for narrative reviews. It is also important to explain to readers why you have chosen to conduct a review. You may be introducing a new way for addressing an old problem, drawing links across literatures, filling in gaps in our knowledge about a phenomenon or educational practice. Cook refers to this as setting the stage. Linking back to the literature is important. In systematic reviews for example, you must be clear in explaining how your review builds on existing literature and previous reviews. This is your opportunity to be critical. What are the gaps and limitations of previous reviews? So, how will your systematic review resolve the shortcomings of previous work? In other types of reviews, such as narrative reviews, its less about filling a specific knowledge gap, and more about generating new research topic areas, exposing blind spots in our thinking, or making creative new links across issues. Whatever, type of review paper you are working on, the next steps are ones that can be applied to any scholarly writing. Be clear and offer insight. What is your main message? A review is more than just listing studies or referencing literature on your topic. Lead your readers to a convincing message. Provide commentary and interpretation for the studies in your review that will help you to inform your conclusions. For systematic reviews, Cook’s final tip is most likely the most important– report completely. You need to explain all your methods and report enough detail that readers can verify the main findings of each study you review. The most common reasons CMEJ reviewers recommend to decline a review article is because authors do not follow these last tips. In these instances authors do not provide the readers with enough detail to substantiate their interpretations or the message is not clear. Our recommendation for writing a great review is to ensure you have followed the previous tips and to have colleagues read over your paper to ensure you have provided a clear, detailed description and interpretation.

Finally, we leave you with some resources to guide your review writing. 3 , 7 , 8 , 10 , 11 , 16 , 17 We look forward to seeing your future work. One thing is certain, a better appreciation of what different reviews provide to the field will contribute to more purposeful exploration of the literature and better manuscript writing in general.

In this issue we present many interesting and worthwhile papers, two of which are, in fact, reviews.

Major Contributions

A chance for reform: the environmental impact of travel for general surgery residency interviews by Fung et al. 18 estimated the CO 2 emissions associated with traveling for residency position interviews. Due to the high emissions levels (mean 1.82 tonnes per applicant), they called for the consideration of alternative options such as videoconference interviews.

Understanding community family medicine preceptors’ involvement in educational scholarship: perceptions, influencing factors and promising areas for action by Ward and team 19 identified barriers, enablers, and opportunities to grow educational scholarship at community-based teaching sites. They discovered a growing interest in educational scholarship among community-based family medicine preceptors and hope the identification of successful processes will be beneficial for other community-based Family Medicine preceptors.

Exploring the global impact of the COVID-19 pandemic on medical education: an international cross-sectional study of medical learners by Allison Brown and team 20 studied the impact of COVID-19 on medical learners around the world. There were different concerns depending on the levels of training, such as residents’ concerns with career timeline compared to trainees’ concerns with the quality of learning. Overall, the learners negatively perceived the disruption at all levels and geographic regions.

The impact of local health professions education grants: is it worth the investment? by Susan Humphrey-Murto and co-authors 21 considered factors that lead to the publication of studies supported by local medical education grants. They identified several factors associated with publication success, including previous oral or poster presentations. They hope their results will be valuable for Canadian centres with local grant programs.

Exploring the impact of the COVID-19 pandemic on medical learner wellness: a needs assessment for the development of learner wellness interventions by Stephana Cherak and team 22 studied learner-wellness in various training environments disrupted by the pandemic. They reported a negative impact on learner wellness at all stages of training. Their results can benefit the development of future wellness interventions.

Program directors’ reflections on national policy change in medical education: insights on decision-making, accreditation, and the CanMEDS framework by Dore, Bogie, et al. 23 invited program directors to reflect on the introduction of the CanMEDS framework into Canadian postgraduate medical education programs. Their survey revealed that while program directors (PDs) recognized the necessity of the accreditation process, they did not feel they had a voice when the change occurred. The authors concluded that collaborations with PDs would lead to more successful outcomes.

Experiential learning, collaboration and reflection: key ingredients in longitudinal faculty development by Laura Farrell and team 24 stressed several elements for effective longitudinal faculty development (LFD) initiatives. They found that participants benefited from a supportive and collaborative environment while trying to learn a new skill or concept.

Brief Reports

The effect of COVID-19 on medical students’ education and wellbeing: a cross-sectional survey by Stephanie Thibaudeau and team 25 assessed the impact of COVID-19 on medical students. They reported an overall perceived negative impact, including increased depressive symptoms, increased anxiety, and reduced quality of education.

In Do PGY-1 residents in Emergency Medicine have enough experiences in resuscitations and other clinical procedures to meet the requirements of a Competence by Design curriculum? Meshkat and co-authors 26 recorded the number of adult medical resuscitations and clinical procedures completed by PGY1 Fellow of the Royal College of Physicians in Emergency Medicine residents to compare them to the Competence by Design requirements. Their study underscored the importance of monitoring collection against pre-set targets. They concluded that residency program curricula should be regularly reviewed to allow for adequate clinical experiences.

Rehearsal simulation for antenatal consults by Anita Cheng and team 27 studied whether rehearsal simulation for antenatal consults helped residents prepare for difficult conversations with parents expecting complications with their baby before birth. They found that while rehearsal simulation improved residents’ confidence and communication techniques, it did not prepare them for unexpected parent responses.

Review Papers and Meta-Analyses

Peer support programs in the fields of medicine and nursing: a systematic search and narrative review by Haykal and co-authors 28 described and evaluated peer support programs in the medical field published in the literature. They found numerous diverse programs and concluded that including a variety of delivery methods to meet the needs of all participants is a key aspect for future peer-support initiatives.

Towards competency-based medical education in addictions psychiatry: a systematic review by Bahji et al. 6 identified addiction interventions to build competency for psychiatry residents and fellows. They found that current psychiatry entrustable professional activities need to be better identified and evaluated to ensure sustained competence in addictions.

Six ways to get a grip on leveraging the expertise of Instructional Design and Technology professionals by Chen and Kleinheksel 29 provided ways to improve technology implementation by clarifying the role that Instructional Design and Technology professionals can play in technology initiatives and technology-enhanced learning. They concluded that a strong collaboration is to the benefit of both the learners and their future patients.

In his article, Seven ways to get a grip on running a successful promotions process, 30 Simon Field provided guidelines for maximizing opportunities for successful promotion experiences. His seven tips included creating a rubric for both self-assessment of likeliness of success and adjudication by the committee.

Six ways to get a grip on your first health education leadership role by Stasiuk and Scott 31 provided tips for considering a health education leadership position. They advised readers to be intentional and methodical in accepting or rejecting positions.

Re-examining the value proposition for Competency-Based Medical Education by Dagnone and team 32 described the excitement and controversy surrounding the implementation of competency-based medical education (CBME) by Canadian postgraduate training programs. They proposed observing which elements of CBME had a positive impact on various outcomes.

You Should Try This

In their work, Interprofessional culinary education workshops at the University of Saskatchewan, Lieffers et al. 33 described the implementation of interprofessional culinary education workshops that were designed to provide health professions students with an experiential and cooperative learning experience while learning about important topics in nutrition. They reported an enthusiastic response and cooperation among students from different health professional programs.

In their article, Physiotherapist-led musculoskeletal education: an innovative approach to teach medical students musculoskeletal assessment techniques, Boulila and team 34 described the implementation of physiotherapist-led workshops, whether the workshops increased medical students’ musculoskeletal knowledge, and if they increased confidence in assessment techniques.

Instagram as a virtual art display for medical students by Karly Pippitt and team 35 used social media as a platform for showcasing artwork done by first-year medical students. They described this shift to online learning due to COVID-19. Using Instagram was cost-saving and widely accessible. They intend to continue with both online and in-person displays in the future.

Adapting clinical skills volunteer patient recruitment and retention during COVID-19 by Nazerali-Maitland et al. 36 proposed a SLIM-COVID framework as a solution to the problem of dwindling volunteer patients due to COVID-19. Their framework is intended to provide actionable solutions to recruit and engage volunteers in a challenging environment.

In Quick Response codes for virtual learner evaluation of teaching and attendance monitoring, Roxana Mo and co-authors 37 used Quick Response (QR) codes to monitor attendance and obtain evaluations for virtual teaching sessions. They found QR codes valuable for quick and simple feedback that could be used for many educational applications.

In Creation and implementation of the Ottawa Handbook of Emergency Medicine Kaitlin Endres and team 38 described the creation of a handbook they made as an academic resource for medical students as they shift to clerkship. It includes relevant content encountered in Emergency Medicine. While they intended it for medical students, they also see its value for nurses, paramedics, and other medical professionals.

Commentary and Opinions

The alarming situation of medical student mental health by D’Eon and team 39 appealed to medical education leaders to respond to the high numbers of mental health concerns among medical students. They urged leaders to address the underlying problems, such as the excessive demands of the curriculum.

In the shadows: medical student clinical observerships and career exploration in the face of COVID-19 by Law and co-authors 40 offered potential solutions to replace in-person shadowing that has been disrupted due to the COVID-19 pandemic. They hope the alternatives such as virtual shadowing will close the gap in learning caused by the pandemic.

Letters to the Editor

Canadian Federation of Medical Students' response to “ The alarming situation of medical student mental health” King et al. 41 on behalf of the Canadian Federation of Medical Students (CFMS) responded to the commentary by D’Eon and team 39 on medical students' mental health. King called upon the medical education community to join the CFMS in its commitment to improving medical student wellbeing.

Re: “Development of a medical education podcast in obstetrics and gynecology” 42 was written by Kirubarajan in response to the article by Development of a medical education podcast in obstetrics and gynecology by Black and team. 43 Kirubarajan applauded the development of the podcast to meet a need in medical education, and suggested potential future topics such as interventions to prevent learner burnout.

Response to “First year medical student experiences with a clinical skills seminar emphasizing sexual and gender minority population complexity” by Kumar and Hassan 44 acknowledged the previously published article by Biro et al. 45 that explored limitations in medical training for the LGBTQ2S community. However, Kumar and Hassen advocated for further progress and reform for medical training to address the health requirements for sexual and gender minorities.

In her letter, Journey to the unknown: road closed!, 46 Rosemary Pawliuk responded to the article, Journey into the unknown: considering the international medical graduate perspective on the road to Canadian residency during the COVID-19 pandemic, by Gutman et al. 47 Pawliuk agreed that international medical students (IMGs) do not have adequate formal representation when it comes to residency training decisions. Therefore, Pawliuk challenged health organizations to make changes to give a voice in decision-making to the organizations representing IMGs.

In Connections, 48 Sara Guzman created a digital painting to portray her approach to learning. Her image of a hand touching a neuron showed her desire to physically see and touch an active neuron in order to further understand the brain and its connections.

Office of Teaching, Learning, and Technology

Ai-assisted literature reviews.

ChatGPT has a reputation for generating hallucinations, or false information. So can an Artificial Intelligence (AI) platform be trusted to assist in a literature review? Yes, if the tool you are using is the right one for the job. ChatGPT and Copilot are not designed to provide accurate citations. Instead, use them to brainstorm research questions. Keep alert for misinformation, hallucinations, and bias that could be part of the generative AI’s responses. Be aware of historical biases in the literature, which can also influence the output you encounter. 

Be sure to keep track of what tools you use, your purpose for using them, and the output from your interactions. Be prepared to disclose the AI tools, databases, and criteria used to select and analyze sources. Remember you are the one ultimately responsible for anything you create, generative AI is only your assistant.  

Try these five AI platforms to assist you in your literature reviews and academic research: 

• Copilot . Many people are exploring the ways that AI can be used to improve research. Even with a general generative AI platform like Copilot, you can use AI to help you brainstorm or discover new perspectives on research topics. An example prompt for this purpose can be found in David Maslach's article, "Generative AI Can Supercharge Your Academic Research," “I am thinking about [insert topic], but this is not a very novel idea. Can you help me find innovative papers and research from the last 10 years that has discussed [insert topic]?”  
• Elicit . This AI research assistant helps in evidence synthesis and text extraction. Users can enter a research question, and the AI identifies top papers in the field, even without perfect keyword matching. Elicit only includes academic papers, since Elicit is designed around finding and analyzing academic papers specifically. Elicit pulls from over 126 million papers through Semantic Scholar. Elicit organizes papers into an easy-to-use table and provides features for brainstorming research questions. 
• Consensus . This is an AI-powered search engine that pulls answers from research papers. Consensus is  not meant to be used to ask questions about basic facts such as, “How many people live in Europe?” or “When is the next leap year?” as there would likely not be research dedicated to investigating these subjects. Consensus is more effective with research questions on topics that have likely been studied by researchers. Yes/No questions will generate a “Consensus” from papers on the topic. Papers in Consensus also are from Semantic Scholar. Results in a Consensus search can be filtered by sample size of the study, population studied, study types, and more. This makes Consensus an interesting tool for finding related literature on your search topic. 
• Research Rabbit . An AI research assistant designed to assist researchers in literature research, discovering and organizing academic papers efficiently. It offers features such as interactive visualizations, collaborative exploration, and personalized recommendations. Users can create collections of papers, visualize networks of papers and co-authorships, and explore research questions. Unlike the previous two platforms listed, Research Rabbit doesn’t start with a question, but a paper that already is known. You need to have a starting article to go down a “rabbit hole” to see connections between papers. 
• Litmaps . A similar tool to Research Rabbit, a Litmap shows the relationships between the articles in your collection in the form of connecting lines which trace the citations for you. It allows a user to start with a citation, or a seed, and then through a simple interface, investigate connections between papers. 

For further reading, see " How to Write AI-Powered Literature Reviews: Balancing Speed, Depth, and Breadth in Academic Research " which includes a helpful table comparing the different tools that specialize in literature searching. And check out the February 2024 webinar, " Unlock the Power of AI for Academic Research " hosted by Tracy Mendolia-Moore and Brett Christie for more information on this topic. 

The Scholarly Kitchen

What’s Hot and Cooking In Scholarly Publishing

The Latest “Crisis” — Is the Research Literature Overrun with ChatGPT- and LLM-generated Articles?

• Artificial Intelligence
• Metrics and Analytics
• Peer Review
• Research Integrity

Elsevier has been under the spotlight this month for publishing a paper that contains a clearly ChatGPT-written portion of its introduction. The first sentence of the paper’s Introduction reads, “Certainly, here is a possible introduction for your topic:…” To date, the article remains unchanged, and unretracted. A second paper , containing the phrase “I’m very sorry, but I don’t have access to real-time information or patient-specific data, as I am an AI language model” was subsequently found , and similarly remains unchanged. This has led to a spate of amateur bibliometricians scanning the literature for similar common AI-generated phrases, with some alarming results . But it’s worth digging a little deeper into these results to get a sense of whether this is indeed a widespread problem, and where such papers have made it through to publication, where the errors are occurring.

Several of the investigations into AI-pollution of the literature that I’ve seen employ Google Scholar for data collection (the link above, and another here ). But when you start looking at the Google Scholar search results, you notice that a lot of what’s listed, at least on the first few pages, are either preprints, items on ResearchGate, book chapters, or often something posted to a website you’ve never heard of with a Russian domain URL. The problem here is that Google Scholar is deliberately a largely non-gated index. It scans the internet for things that look like research papers (does it have an Abstract, does it have References), rather than limiting results to a carefully curated list of reputable publications. Basically, it grabs anything that looks “scholarly”. This is a feature, not a bug, and one of the important values that Google Scholar offers is that it can reach beyond the more limiting inclusion criteria (and often English language and Global North biased) content of indexes like the Web of Science.

But what happens when one does similar searches on a more curated database, one that is indeed limited to what most would consider a more accurate picture of the reputable scholarly literature? Here I’ve chosen Dimensions , an inter-linked research information system provided by Digital Science, as its content inclusion is broader than the Web of Science, but not as unlimited as Google Scholar. With the caveat that all bibliometrics indexes are lagging, and take some time to bring in the most recently published articles (the two Elsevier papers mentioned above are dated as being from March and June of 2024 and so aren’t yet indexed as far as I can tell), my results are perhaps less worrying. All searches below were limited to research articles (no preprints, book chapters, or meeting abstracts) published after November 2022, when ChatGPT was publicly released.

A search for “Certainly, here is” brings up a total of ten articles published over that time period. Of those ten articles, eight are about ChatGPT, so the inclusion of the phrase is likely not suspect. A search for “as of my last knowledge update” gives a total of six articles, again with four of those articles focused on ChatGPT itself. A search for “I don’t have access to real-time data” brings up only three articles, all of which cover ChatGPT or AI. During this same period, Dimensions lists nearly 5.7M research articles and review articles published, putting the error rate for these three phrases to slip through into publications at 0.00007%.

Retraction Watch has a larger list of 77 items (as of this writing), using a more comprehensive set of criteria to spot problematic, likely AI-generated text which includes journal articles from Elsevier, Springer Nature, MDPI, PLOS, Frontiers, Wiley, IEEE, and Sage. Again, this list needs further sorting, as it also includes some five book chapters, eleven preprints, and at least sixteen conference proceedings pieces. Removing these 32 items from the list suggests a failure rate of 0.00056%.

While many would argue that this does not constitute a “crisis”, it is likely that such errors will continue to rise, and frankly, there’s not really any excuse for allowing even a single paper with such an obvious tell to make it through to publication. While this has led many to question the peer review process at the journals where these failures occurred, it’s worth considering other points in the publication workflow where such errors might happen. As Lisa Hinchliffe recently pointed out , it’s possible these sections are being added at the revision stage or even post-acceptance. Peer reviewers and editors looking at a revision may only be looking at the specific sections where they requested changes, and may miss other additions an author has put into the new version of the article. Angela Cochran wrote about how this has been exploited by unscrupulous authors adding in hundreds of citations in order to juice their own metrics. Also possible, the LLM-generated language may have been added at the pageproof stage (whether deliberately or not). Most journals outsource typesetting to third party vendors, and how carefully a journal scrutinizes the final, typeset version of the paper varies widely. As always, time spent by human editorial staff is the most expensive part of the publishing process, so many journals assume their vendors have done their jobs, and don’t go over each paper with a fine toothed comb unless a problem is raised.

Two other important conclusions can be drawn from this uproar. The first is that despite preprints having been around for decades, those both within and adjacent to the research community clearly do not understand their nature and why they’re different from the peer reviewed literature, so more educational effort is needed. It should not be surprising to anyone that there are a lot of rough early drafts of papers or unpublishable manuscripts in SSRN (founded in 1994) or arXiv (launched in 1991). We’ve heard a lot of concern about journalists not being able to recognize that preprints aren’t peer reviewed, but maybe there’s as big a problem much closer to home. The second conclusion is that there seems to be a perception that appearing in Google Scholar search results offers some assurance of credibility or validation. This is absolutely not the case, and perhaps the fault here lies with t he lack of differentiation between the profile service offered by Google Scholar , which is personally curated by individuals and its search results which are far less discriminating.

Going forward, I would hope that at the journals where the small number of papers have slipped through, an audit is underway to better understand where the language was introduced and how it managed to get all the way to publication. Automated checks should be able to weed out common AI language like this, but they likely need to be run at multiple points in the publication process, rather than just on initial submissions. While the systems in place seem to be performing pretty well overall, there’s no room for complacency, and research integrity vigilance will only become more and more demanding.

David Crotty

David Crotty is a Senior Consultant at Clarke & Esposito, a boutique management consulting firm focused on strategic issues related to professional and academic publishing and information services. Previously, David was the Editorial Director, Journals Policy for Oxford University Press. He oversaw journal policy across OUP’s journals program, drove technological innovation, and served as an information officer. David acquired and managed a suite of research society-owned journals with OUP, and before that was the Executive Editor for Cold Spring Harbor Laboratory Press, where he created and edited new science books and journals, along with serving as a journal Editor-in-Chief. He has served on the Board of Directors for the STM Association, the Society for Scholarly Publishing and CHOR, Inc., as well as The AAP-PSP Executive Council. David received his PhD in Genetics from Columbia University and did developmental neuroscience research at Caltech before moving from the bench to publishing.

25 Thoughts on "The Latest “Crisis” — Is the Research Literature Overrun with ChatGPT- and LLM-generated Articles?"

There is a huge difference between an entire article being written by AI, as the title of this post suggests, and having a few paragraphs being written by AI, as the actual evidence in most of this post suggests. I think the most worrisome part of this is that the journal editors are doing such a poor job that they aren’t catching those obvious “certainly…” type phrases, not because of what they imply about authorship, but just because they don’t belong in the final text at all.

I find the debate about using AI and academic integrity is bringing out an inconsistency in our very reasons for opposing “plagiarism”. That is, is the problem that the ideas aren’t yours per se, or that you are “stealing” another person’s ideas? When the “other person” is not a human, suddenly this distinction is in sharp relief. If you aren’t stealing from someone else, is there still a bad thing happening here, or is this just a much more “humanities” version of using R or SPSS to do your quantitative analysis? Usually I find it frustrating when people mix up copyright law with plagiarism, but in this situation I think copyright law has something useful to inform the plagiarism discussion. Copyright law in the US at least is very clear that non-humans (eg monkeys, elephants, and computers) can’t be credited with authorship/creatorship.

• By Melissa Belvadi
• Mar 20, 2024, 7:59 AM
• Reply to Comment

“Also possible, the LLM-generated language may have been added at the pageproof stage…”. That seems a bit far fetched. More likely some manuscripts don’t get carefully reviewed. More interesting to me than including LLM text in low quality articles is the sophistication of AI generated cell biology images. They’re getting to the point that sleuths like Elisabeth Bik can’t tell them from the real thing.

• By Chris Mebane
• Mar 20, 2024, 8:55 AM

The authors of one of the suspect papers have stated that the inclusion of the text was a cut-and-paste error. Why would such an error be “far fetched” during corrections but less so in other parts of the publication process?

• By David Crotty
• Mar 20, 2024, 9:27 AM

This may be but what’s the excuse for the failure to include the required disclosure statement? Everyone is focusing on the sloppy editing. But, what this signals to me is that there’s probably a bigger crises of non-disclosure, which is a different issue and – given Elsevier doesn’t prohibit the use of generative AI for editorial assistance but does require disclosure – to me is the bigger ethical question. The disclosure should have been made even if their was no copy/paste sloppiness. So, how many authors are using AI and not disclosing – and not tipping their hand by sloppiness?

• By Lisa Janicke Hinchliffe
• Mar 21, 2024, 10:51 AM

In this case, I believe the authors claimed that they had asked ChatGPT for a summary, but found it lacking and decided not to use it. Then it got “accidentally” pasted into some version of the paper. If accurate and believable, then no disclosure was necessary (as they did not deliberately use an AI).

All that said, you do get to the heart of the issue, and why the fuss over a tiny number of papers found with obvious tells is less important than the bigger picture that many are less sloppy and probably using these tools. While I do think it’s reasonable to require disclosure (if publishing is part of the scientific process, then you should record the tools used as you do in the Materials and Methods section for your experiments), I personally don’t think the use of AI in writing is all that problematic. What I care about is whether the experiments/research were/was done correctly, described accurately, and that the conclusions drawn are supported by the data presented. In the end, I don’t really care who (or what) wrote the story about the research, I’m interested in the research and ensuring it’s valid. We know that ghostwriting is fairly rampant in the medical world, and that industry research companies often have publication planners and writers on staff who put together publications. Is this any different ethically, as long as the author who puts their name on the paper vouches for its contents? Is that what matters (I’m staking my reputation on what’s in this document) rather than who/what chose the actual words and put them in that order?

Of course this is a different matter from fraudulent papers where the research wasn’t actually done, and yes, AI does simplify the process of creating fraudulent work, but that’s a separate issue. It does strike me as interesting that the two papers linked to above had AI text in an Introduction and an Abstract, rather than in the Results or the Conclusion sections of the papers.

• Mar 21, 2024, 11:04 AM

I’ve not seen any author statement on either of these examples. I’ve seen one person say they are reporting what one author told him — but that didn’t include that the AI text was found wanting. I did see that the same intermediary say one of the authors says they had emailed Elsevier about this issue post-publication. Everyone decrying how long this is taking to fix and none of the authors just getting the right version out there by posting it up on a preprint server. I mean, for goodness say, it’s not like we need to wait for libraries to tip in a new page of the printed journal. Any way, somehow the authors also turned back page proofs without noticing the inclusion either. So, while I like you am not too concerned about how words get generated in this context (I have a statement in my syllabus this semester that students can use gen AI if they disclosure and explain why they decided it was the best choice), it matters if authors don’t take responsibility for their work and don’t make required disclosures. What other corners are they cutting?

• Mar 21, 2024, 11:14 AM

I remember seeing something from the authors on Twitter, will try to dig it out. Regardless, I agree 100%. When you publish a paper, you are building/risking your reputation and your career. From my researcher days, the notion that I wouldn’t have carefully pored over every single character of every single draft of every paper I published escapes me. Those authors will now always be known as the ChatGPT people, I guess better than those permanently known as the gigantic rat genitals people, but still. If you are so sloppy in your writing, why wouldn’t I expect you to be similarly sloppy in your experiments? What did you accidentally “cut and paste” there?

• Mar 21, 2024, 11:18 AM

In case anyone else is following this convo in the comments, here’s the thread not from the authors I referenced: https://twitter.com/GuyCurtis10/status/1768786985253319040

• Mar 21, 2024, 11:41 AM

This is an interesting discussion; thanks for advancing it. Given the challenges facing scientific and medical publishing, which is a bigger crisis? 1) That overworked, underpaid, stressed, researchers and academics who don’t directly benefit financially from their content are now leveraging AI to speed time to publication, or 2) That the majority of entrenched publishers continue to act as if human friction and delays in getting novel science and groundbreaking medicine to patients and doctors who are trying to improve human suffering, which could be improved significantly with AI, is itself a problem to be dealt with? Full disclosure, I serve as Chief AI Officer of Inizio Medical and am a Founding Board Member of the Society for Artificial Intelligence and Health, but my comment is mine and mine alone.

• By Matt Lewis
• Mar 20, 2024, 9:52 AM

It is alarming that this slipped through after all the work done to tighten up publishing integrity over the last year or two. It suggests more sophisticated fake/fraudulent AI content is also getting through. More generally, it is another embarrassing, public black eye for scholarly publishing and science.

• By Curtis Brundy
• Mar 20, 2024, 10:42 AM

It’s clear from this post that the crisis is not about generative AI, which simply reveals the underlying problem. The real issue is the faulty editorial workflow, which Angela Cochran identified as far back as 2017. The human editor should have the last check of the paper. If you allow authors to make changes, then those changes should be monitored by the editor, and a system such as track changes applied to ensure that any changes the author makes, whether or not requested by the editor, are identifiable for checking.

What this reveals is that scholarly publishing still retains a culture of trust, in this case, trust that the author will not make extensive changes at proof stage. It is no longer possible to run scholarly publishing with the assumption that the author will behave responsibly.

• By Michael Upshall
• Mar 20, 2024, 10:57 AM

I think you’re largely right, but those needs are directly in opposition to the increasing pressure for journals to 1) publish faster, and 2) publish cheaper. As noted in the post, the sorts of human interventions you suggest are the most expensive parts of the process. Would the community accept slower publication and higher APCs/subscription prices in order to ensure this level of scrutiny?

• Mar 20, 2024, 11:00 AM

Well, that’s for the scholarly community to decide, but personally, I don’t think there is a choice, to preserve the credibility of academic publishing.

• Mar 20, 2024, 11:10 AM

What Automated Checks systems do you recommend be used by journals?

• By Deb Whippen
• Mar 20, 2024, 11:24 AM

“Automated” is a loaded word here — every check that I know of requires at least some level of human interpretation and intervention.

That said, there are good recommendations coming out of the STM Research Integrity Hub ( https://www.stm-assoc.org/stm-integrity-hub/ ) and tools include plagiarism checkers, image integrity checkers, and paper mill checkers. As far as I know, there are no reliable automated tools for determining whether text or images were AI-generated. But screening for phrases like the ones mentioned above seems a reasonable step.

And as noted, this makes publishing slower and more expensive.

• Mar 20, 2024, 11:47 AM

I think that screening for phrases, as you say, could work. A mechanism that detects hallucinated content, including fake references/citations, could also help. But then, AI will also evolve…

• By Ron Martinez
• Mar 21, 2024, 5:03 PM

As the EIC of a journal, I read every manuscript that is submitted. Lately, I have detected a handful of manuscripts that have the hallmarks of being generated (all or in part) by an LLM. It is fairly obvious (to me) to identify such manuscripts, because the text reads like “word salad”, that is, bland, general sentences that do not seem to converge on a clear meaning and lack specific details. A superficial reading is not good enough in such cases. As pointed out in the post, having actual humans read the manuscripts or proofs is necessary, but expensive.

• By Constance Senior
• Mar 20, 2024, 2:15 PM

Same here. I had one the other day that was not really in the scope of the journal, had that “word salad” feel you mentioned, and had only 5 total references. (And two of those were fake.)

• Mar 21, 2024, 5:01 PM

Interesting, another question is what percent of peer review reports/peer reviewers are using AI, and is incorrect use of AI in this area able to be detected, I heard this is potentially a growing, and yet somewhat hidden problem as well.

• By Adrian Stanley
• Mar 20, 2024, 4:29 PM

This preprint might be of interest – https://arxiv.org/abs/2403.07183 , “ Monitoring AI-Modified Content at Scale: A Case Study on the Impact of ChatGPT on AI Conference Peer Reviews”, https://doi.org/10.48550/arXiv.2403.07183

• By Dugald McGlashan
• Mar 21, 2024, 2:53 AM

“time spent by human editorial staff is the most expensive part of the publishing process”

It turns out more and more that the most *expensive* part of the publishing process is editorial and other negligence actively encouraged by those who never tire of finding more “cost-effective” and “streamlined/frictionless” ways to “improve the author experience.” It’s a sure way to steer scholarly publishing towards obsolescence because however happy authors (or their administrators) might be for having their work published, fewer and fewer people will be inclined or able to read this work (and AI reading AI-generated or “enhanced” texts is like an empty house of mirrors).

The cost of not having enough human eyes (i.e., editorial staff and peer reviewers) will be (and already is) exorbitant for both science and the public. High-quality, sustainable science and scholarship is slow and tedious and does not respond to exhortations for speed and efficiency. It’s a non-negotiable feature, not a bug.

• Mar 20, 2024, 4:44 PM

The one thing that is absolutely certain is that no copyeditors have been retained for the journals where these articles have slipped through. No proper copyeditor — one who edits for grammar, spelling, clarity, logic, and flow– is going to allow these kinds of things to pass through.

The big platforms do not do proper copyediting; the provide spelling and grammar checking from international outsourcing firms (packagers) and pay them literally one quarter of what I am paid, or they use their production team (layout, not copyeditors) to do the copyedits.

Copyeditors know that the vast majority of the time, we are the first ones to read a manuscript all the way through, after R&R or when there is no peer review. These instances prove that when we aren’t being hired, no one is reading a manuscript from start to finish.

• By Rudy Leon
• Mar 20, 2024, 6:20 PM

Importantly, the stance of MDPI is relaxed and predictable: https://www.mdpi.com/2072-6651/15/6/399

Also, I notice a certain trend of affiliates of a certain ’boutique’ subtly promoting Dimensions

• By Ivan Sterligov
• Mar 21, 2024, 2:44 AM

Do you feel that Dimensions is an inappropriate tool to use for these purposes? Which database would have been better?

• Mar 21, 2024, 7:14 AM

Thanks David, you brought some level-headedness to the conversation. Your deep dive into the Digital Science data has me feeling much better about this issue being overblown than I would have originally thought. Also, you make a good point about trying to understand why and how these things happen. An author using GPT to help them with language and accidentally inserting a GPT-phrase is very different than AI writing an article for them.

• By Avi Staiman
• Mar 21, 2024, 9:27 AM

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