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- 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.
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).
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.
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
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.
Scribbr slides are free to use, customize, and distribute for educational purposes.
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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.
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- Cluster sampling
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- Effect size
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- Implicit bias
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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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Writing Research Papers
- Writing a Literature Review
When writing a research paper on a specific topic, you will often need to include an overview of any prior research that has been conducted on that topic. For example, if your research paper is describing an experiment on fear conditioning, then you will probably need to provide an overview of prior research on fear conditioning. That overview is typically known as a literature review.
Please note that a full-length literature review article may be suitable for fulfilling the requirements for the Psychology B.S. Degree Research Paper . For further details, please check with your faculty advisor.
Different Types of Literature Reviews
Literature reviews come in many forms. They can be part of a research paper, for example as part of the Introduction section. They can be one chapter of a doctoral dissertation. Literature reviews can also “stand alone” as separate articles by themselves. For instance, some journals such as Annual Review of Psychology , Psychological Bulletin , and others typically publish full-length review articles. Similarly, in courses at UCSD, you may be asked to write a research paper that is itself a literature review (such as, with an instructor’s permission, in fulfillment of the B.S. Degree Research Paper requirement). Alternatively, you may be expected to include a literature review as part of a larger research paper (such as part of an Honors Thesis).
Literature reviews can be written using a variety of different styles. These may differ in the way prior research is reviewed as well as the way in which the literature review is organized. Examples of stylistic variations in literature reviews include:
- Summarization of prior work vs. critical evaluation. In some cases, prior research is simply described and summarized; in other cases, the writer compares, contrasts, and may even critique prior research (for example, discusses their strengths and weaknesses).
- Chronological vs. categorical and other types of organization. In some cases, the literature review begins with the oldest research and advances until it concludes with the latest research. In other cases, research is discussed by category (such as in groupings of closely related studies) without regard for chronological order. In yet other cases, research is discussed in terms of opposing views (such as when different research studies or researchers disagree with one another).
Overall, all literature reviews, whether they are written as a part of a larger work or as separate articles unto themselves, have a common feature: they do not present new research; rather, they provide an overview of prior research on a specific topic .
How to Write a Literature Review
When writing a literature review, it can be helpful to rely on the following steps. Please note that these procedures are not necessarily only for writing a literature review that becomes part of a larger article; they can also be used for writing a full-length article that is itself a literature review (although such reviews are typically more detailed and exhaustive; for more information please refer to the Further Resources section of this page).
Steps for Writing a Literature Review
1. Identify and define the topic that you will be reviewing.
The topic, which is commonly a research question (or problem) of some kind, needs to be identified and defined as clearly as possible. You need to have an idea of what you will be reviewing in order to effectively search for references and to write a coherent summary of the research on it. At this stage it can be helpful to write down a description of the research question, area, or topic that you will be reviewing, as well as to identify any keywords that you will be using to search for relevant research.
2. Conduct a literature search.
Use a range of keywords to search databases such as PsycINFO and any others that may contain relevant articles. You should focus on peer-reviewed, scholarly articles. Published books may also be helpful, but keep in mind that peer-reviewed articles are widely considered to be the “gold standard” of scientific research. Read through titles and abstracts, select and obtain articles (that is, download, copy, or print them out), and save your searches as needed. For more information about this step, please see the Using Databases and Finding Scholarly References section of this website.
3. Read through the research that you have found and take notes.
Absorb as much information as you can. Read through the articles and books that you have found, and as you do, take notes. The notes should include anything that will be helpful in advancing your own thinking about the topic and in helping you write the literature review (such as key points, ideas, or even page numbers that index key information). Some references may turn out to be more helpful than others; you may notice patterns or striking contrasts between different sources ; and some sources may refer to yet other sources of potential interest. This is often the most time-consuming part of the review process. However, it is also where you get to learn about the topic in great detail. For more details about taking notes, please see the “Reading Sources and Taking Notes” section of the Finding Scholarly References page of this website.
4. Organize your notes and thoughts; create an outline.
At this stage, you are close to writing the review itself. However, it is often helpful to first reflect on all the reading that you have done. What patterns stand out? Do the different sources converge on a consensus? Or not? What unresolved questions still remain? You should look over your notes (it may also be helpful to reorganize them), and as you do, to think about how you will present this research in your literature review. Are you going to summarize or critically evaluate? Are you going to use a chronological or other type of organizational structure? It can also be helpful to create an outline of how your literature review will be structured.
5. Write the literature review itself and edit and revise as needed.
The final stage involves writing. When writing, keep in mind that literature reviews are generally characterized by a summary style in which prior research is described sufficiently to explain critical findings but does not include a high level of detail (if readers want to learn about all the specific details of a study, then they can look up the references that you cite and read the original articles themselves). However, the degree of emphasis that is given to individual studies may vary (more or less detail may be warranted depending on how critical or unique a given study was). After you have written a first draft, you should read it carefully and then edit and revise as needed. You may need to repeat this process more than once. It may be helpful to have another person read through your draft(s) and provide feedback.
6. Incorporate the literature review into your research paper draft.
After the literature review is complete, you should incorporate it into your research paper (if you are writing the review as one component of a larger paper). Depending on the stage at which your paper is at, this may involve merging your literature review into a partially complete Introduction section, writing the rest of the paper around the literature review, or other processes.
Further Tips for Writing a Literature Review
Full-length literature reviews
- Many full-length literature review articles use a three-part structure: Introduction (where the topic is identified and any trends or major problems in the literature are introduced), Body (where the studies that comprise the literature on that topic are discussed), and Discussion or Conclusion (where major patterns and points are discussed and the general state of what is known about the topic is summarized)
Literature reviews as part of a larger paper
- An “express method” of writing a literature review for a research paper is as follows: first, write a one paragraph description of each article that you read. Second, choose how you will order all the paragraphs and combine them in one document. Third, add transitions between the paragraphs, as well as an introductory and concluding paragraph. 1
- A literature review that is part of a larger research paper typically does not have to be exhaustive. Rather, it should contain most or all of the significant studies about a research topic but not tangential or loosely related ones. 2 Generally, literature reviews should be sufficient for the reader to understand the major issues and key findings about a research topic. You may however need to confer with your instructor or editor to determine how comprehensive you need to be.
Benefits of Literature Reviews
By summarizing prior research on a topic, literature reviews have multiple benefits. These include:
- Literature reviews help readers understand what is known about a topic without having to find and read through multiple sources.
- Literature reviews help “set the stage” for later reading about new research on a given topic (such as if they are placed in the Introduction of a larger research paper). In other words, they provide helpful background and context.
- Literature reviews can also help the writer learn about a given topic while in the process of preparing the review itself. In the act of research and writing the literature review, the writer gains expertise on the topic .
- How to Write APA Style Research Papers (a comprehensive guide) [ PDF ]
- Tips for Writing APA Style Research Papers (a brief summary) [ PDF ]
- Example APA Style Research Paper (for B.S. Degree – literature review) [ PDF ]
- Writing Research Paper Videos
- UCSD Library Psychology Research Guide: Literature Reviews
- Developing and Writing a Literature Review from N Carolina A&T State University
- Example of a Short Literature Review from York College CUNY
- How to Write a Review of Literature from UW-Madison
- Writing a Literature Review from UC Santa Cruz
- Pautasso, M. (2013). Ten Simple Rules for Writing a Literature Review. PLoS Computational Biology, 9 (7), e1003149. doi : 1371/journal.pcbi.1003149
1 Ashton, W. Writing a short literature review . [PDF]
2 carver, l. (2014). writing the research paper [workshop]. , prepared by s. c. pan for ucsd psychology.
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How to Make a Literature Review in Research (RRL Example)
What is an RRL in a research paper?
A relevant review of the literature (RRL) is an objective, concise, critical summary of published research literature relevant to a topic being researched in an article. In an RRL, you discuss knowledge and findings from existing literature relevant to your study topic. If there are conflicts or gaps in existing literature, you can also discuss these in your review, as well as how you will confront these missing elements or resolve these issues in your study.
To complete an RRL, you first need to collect relevant literature; this can include online and offline sources. Save all of your applicable resources as you will need to include them in your paper. When looking through these sources, take notes and identify concepts of each source to describe in the review of the literature.
A good RRL does NOT:
A literature review does not simply reference and list all of the material you have cited in your paper.
- Presenting material that is not directly relevant to your study will distract and frustrate the reader and make them lose sight of the purpose of your study.
- Starting a literature review with “A number of scholars have studied the relationship between X and Y” and simply listing who has studied the topic and what each scholar concluded is not going to strengthen your paper.
A good RRL DOES:
- Present a brief typology that orders articles and books into groups to help readers focus on unresolved debates, inconsistencies, tensions, and new questions about a research topic.
- Summarize the most relevant and important aspects of the scientific literature related to your area of research
- Synthesize what has been done in this area of research and by whom, highlight what previous research indicates about a topic, and identify potential gaps and areas of disagreement in the field
- Give the reader an understanding of the background of the field and show which studies are important—and highlight errors in previous studies
How long is a review of the literature for a research paper?
The length of a review of the literature depends on its purpose and target readership and can vary significantly in scope and depth. In a dissertation, thesis, or standalone review of literature, it is usually a full chapter of the text (at least 20 pages). Whereas, a standard research article or school assignment literature review section could only be a few paragraphs in the Introduction section .
Building Your Literature Review Bookshelf
One way to conceive of a literature review is to think about writing it as you would build a bookshelf. You don’t need to cut each piece by yourself from scratch. Rather, you can take the pieces that other researchers have cut out and put them together to build a framework on which to hang your own “books”—that is, your own study methods, results, and conclusions.
What Makes a Good Literature Review?
The contents of a literature review (RRL) are determined by many factors, including its precise purpose in the article, the degree of consensus with a given theory or tension between competing theories, the length of the article, the number of previous studies existing in the given field, etc. The following are some of the most important elements that a literature review provides.
Historical background for your research
Analyze what has been written about your field of research to highlight what is new and significant in your study—or how the analysis itself contributes to the understanding of this field, even in a small way. Providing a historical background also demonstrates to other researchers and journal editors your competency in discussing theoretical concepts. You should also make sure to understand how to paraphrase scientific literature to avoid plagiarism in your work.
The current context of your research
Discuss central (or peripheral) questions, issues, and debates in the field. Because a field is constantly being updated by new work, you can show where your research fits into this context and explain developments and trends in research.
A discussion of relevant theories and concepts
Theories and concepts should provide the foundation for your research. For example, if you are researching the relationship between ecological environments and human populations, provide models and theories that focus on specific aspects of this connection to contextualize your study. If your study asks a question concerning sustainability, mention a theory or model that underpins this concept. If it concerns invasive species, choose material that is focused in this direction.
Definitions of relevant terminology
In the natural sciences, the meaning of terms is relatively straightforward and consistent. But if you present a term that is obscure or context-specific, you should define the meaning of the term in the Introduction section (if you are introducing a study) or in the summary of the literature being reviewed.
Description of related relevant research
Include a description of related research that shows how your work expands or challenges earlier studies or fills in gaps in previous work. You can use your literature review as evidence of what works, what doesn’t, and what is missing in the field.
Supporting evidence for a practical problem or issue your research is addressing that demonstrates its importance: Referencing related research establishes your area of research as reputable and shows you are building upon previous work that other researchers have deemed significant.
Types of Literature Reviews
Literature reviews can differ in structure, length, amount, and breadth of content included. They can range from selective (a very narrow area of research or only a single work) to comprehensive (a larger amount or range of works). They can also be part of a larger work or stand on their own.
- A course assignment is an example of a selective, stand-alone work. It focuses on a small segment of the literature on a topic and makes up an entire work on its own.
- The literature review in a dissertation or thesis is both comprehensive and helps make up a larger work.
- A majority of journal articles start with a selective literature review to provide context for the research reported in the study; such a literature review is usually included in the Introduction section (but it can also follow the presentation of the results in the Discussion section ).
- Some literature reviews are both comprehensive and stand as a separate work—in this case, the entire article analyzes the literature on a given topic.
Literature Reviews Found in Academic Journals
The two types of literature reviews commonly found in journals are those introducing research articles (studies and surveys) and stand-alone literature analyses. They can differ in their scope, length, and specific purpose.
Literature reviews introducing research articles
The literature review found at the beginning of a journal article is used to introduce research related to the specific study and is found in the Introduction section, usually near the end. It is shorter than a stand-alone review because it must be limited to very specific studies and theories that are directly relevant to the current study. Its purpose is to set research precedence and provide support for the study’s theory, methods, results, and/or conclusions. Not all research articles contain an explicit review of the literature, but most do, whether it is a discrete section or indistinguishable from the rest of the Introduction.
How to structure a literature review for an article
When writing a literature review as part of an introduction to a study, simply follow the structure of the Introduction and move from the general to the specific—presenting the broadest background information about a topic first and then moving to specific studies that support your rationale , finally leading to your hypothesis statement. Such a literature review is often indistinguishable from the Introduction itself—the literature is INTRODUCING the background and defining the gaps your study aims to fill.
The stand-alone literature review
The literature review published as a stand-alone article presents and analyzes as many of the important publications in an area of study as possible to provide background information and context for a current area of research or a study. Stand-alone reviews are an excellent resource for researchers when they are first searching for the most relevant information on an area of study.
Such literature reviews are generally a bit broader in scope and can extend further back in time. This means that sometimes a scientific literature review can be highly theoretical, in addition to focusing on specific methods and outcomes of previous studies. In addition, all sections of such a “review article” refer to existing literature rather than describing the results of the authors’ own study.
In addition, this type of literature review is usually much longer than the literature review introducing a study. At the end of the review follows a conclusion that once again explicitly ties all of the cited works together to show how this analysis is itself a contribution to the literature. While not absolutely necessary, such articles often include the terms “Literature Review” or “Review of the Literature” in the title. Whether or not that is necessary or appropriate can also depend on the specific author instructions of the target journal. Have a look at this article for more input on how to compile a stand-alone review article that is insightful and helpful for other researchers in your field.
How to Write a Literature Review in 6 Steps
So how do authors turn a network of articles into a coherent review of relevant literature?
Writing a literature review is not usually a linear process—authors often go back and check the literature while reformulating their ideas or making adjustments to their study. Sometimes new findings are published before a study is completed and need to be incorporated into the current work. This also means you will not be writing the literature review at any one time, but constantly working on it before, during, and after your study is complete.
Here are some steps that will help you begin and follow through on your literature review.
Step 1: Choose a topic to write about—focus on and explore this topic.
Choose a topic that you are familiar with and highly interested in analyzing; a topic your intended readers and researchers will find interesting and useful; and a topic that is current, well-established in the field, and about which there has been sufficient research conducted for a review. This will help you find the “sweet spot” for what to focus on.
Step 2: Research and collect all the scholarly information on the topic that might be pertinent to your study.
This includes scholarly articles, books, conventions, conferences, dissertations, and theses—these and any other academic work related to your area of study is called “the literature.”
Step 3: Analyze the network of information that extends or responds to the major works in your area; select the material that is most useful.
Use thought maps and charts to identify intersections in the research and to outline important categories; select the material that will be most useful to your review.
Step 4: Describe and summarize each article—provide the essential information of the article that pertains to your study.
Determine 2-3 important concepts (depending on the length of your article) that are discussed in the literature; take notes about all of the important aspects of this study relevant to the topic being reviewed.
For example, in a given study, perhaps some of the main concepts are X, Y, and Z. Note these concepts and then write a brief summary about how the article incorporates them. In reviews that introduce a study, these can be relatively short. In stand-alone reviews, there may be significantly more texts and more concepts.
Step 5: Demonstrate how these concepts in the literature relate to what you discovered in your study or how the literature connects the concepts or topics being discussed.
In a literature review intro for an article, this information might include a summary of the results or methods of previous studies that correspond to and/or confirm those sections in your own study. For a stand-alone literature review, this may mean highlighting the concepts in each article and showing how they strengthen a hypothesis or show a pattern.
Discuss unaddressed issues in previous studies. These studies that are missing something you address are important to include in your literature review. In addition, those works whose theories and conclusions directly support your findings will be valuable to review here.
Step 6: Identify relationships in the literature and develop and connect your own ideas to them.
This is essentially the same as step 5 but focused on the connections between the literature and the current study or guiding concepts or arguments of the paper, not only on the connections between the works themselves.
Your hypothesis, argument, or guiding concept is the “golden thread” that will ultimately tie the works together and provide readers with specific insights they didn’t have before reading your literature review. Make sure you know where to put the research question , hypothesis, or statement of the problem in your research paper so that you guide your readers logically and naturally from your introduction of earlier work and evidence to the conclusions you want them to draw from the bigger picture.
Your literature review will not only cover publications on your topics but will include your own ideas and contributions. By following these steps you will be telling the specific story that sets the background and shows the significance of your research and you can turn a network of related works into a focused review of the literature.
Literature Review (RRL) Examples
Because creating sample literature reviews would take too long and not properly capture the nuances and detailed information needed for a good review, we have included some links to different types of literature reviews below. You can find links to more literature reviews in these categories by visiting the TUS Library’s website . Sample literature reviews as part of an article, dissertation, or thesis:
- Critical Thinking and Transferability: A Review of the Literature (Gwendolyn Reece)
- Building Customer Loyalty: A Customer Experience Based Approach in a Tourism Context (Martina Donnelly)
Sample stand-alone literature reviews
- Literature Review on Attitudes towards Disability (National Disability Authority)
- The Effects of Communication Styles on Marital Satisfaction (Hannah Yager)
Additional Literature Review Format Guidelines
In addition to the content guidelines above, authors also need to check which style guidelines to use ( APA , Chicago, MLA, etc.) and what specific rules the target journal might have for how to structure such articles or how many studies to include—such information can usually be found on the journals’ “Guide for Authors” pages. Additionally, use one of the four Wordvice citation generators below, choosing the citation style needed for your paper:
Wordvice Writing and Academic Editing Resources
Finally, after you have finished drafting your literature review, be sure to receive professional proofreading services , including paper editing for your academic work. A competent proofreader who understands academic writing conventions and the specific style guides used by academic journals will ensure that your paper is ready for publication in your target journal.
See our academic resources for further advice on references in your paper , how to write an abstract , how to write a research paper title, how to impress the editor of your target journal with a perfect cover letter , and dozens of other research writing and publication topics.
- Schools & departments
A general guide on how to conduct and write a literature review.
Please check course or programme information and materials provided by teaching staff , including your project supervisor, for subject-specific guidance.
What is a literature review?
A literature review is a piece of academic writing demonstrating knowledge and understanding of the academic literature on a specific topic placed in context. A literature review also includes a critical evaluation of the material; this is why it is called a literature review rather than a literature report. It is a process of reviewing the literature, as well as a form of writing.
To illustrate the difference between reporting and reviewing, think about television or film review articles. These articles include content such as a brief synopsis or the key points of the film or programme plus the critic’s own evaluation. Similarly the two main objectives of a literature review are firstly the content covering existing research, theories and evidence, and secondly your own critical evaluation and discussion of this content.
Usually a literature review forms a section or part of a dissertation, research project or long essay. However, it can also be set and assessed as a standalone piece of work.
What is the purpose of a literature review?
…your task is to build an argument, not a library. Rudestam, K.E. and Newton, R.R. (1992) Surviving your dissertation: A comprehensive guide to content and process. California: Sage, p49.
In a larger piece of written work, such as a dissertation or project, a literature review is usually one of the first tasks carried out after deciding on a topic. Reading combined with critical analysis can help to refine a topic and frame research questions. Conducting a literature review establishes your familiarity with and understanding of current research in a particular field before carrying out a new investigation. After doing a literature review, you should know what research has already been done and be able to identify what is unknown within your topic.
When doing and writing a literature review, it is good practice to:
- summarise and analyse previous research and theories;
- identify areas of controversy and contested claims;
- highlight any gaps that may exist in research to date.
Conducting a literature review
Focusing on different aspects of your literature review can be useful to help plan, develop, refine and write it. You can use and adapt the prompt questions in our worksheet below at different points in the process of researching and writing your review. These are suggestions to get you thinking and writing.
Developing and refining your literature review (pdf)
Developing and refining your literature review (Word)
Developing and refining your literature review (Word rtf)
Writing a literature review has a lot in common with other assignment tasks. There is advice on our other pages about thinking critically, reading strategies and academic writing. Our literature review top tips suggest some specific things you can do to help you submit a successful review.
Literature review top tips (pdf)
Literature review top tips (Word rtf)
Our reading page includes strategies and advice on using books and articles and a notes record sheet grid you can use.
Reading at university
The Academic writing page suggests ways to organise and structure information from a range of sources and how you can develop your argument as you read and write.
The Critical thinking page has advice on how to be a more critical researcher and a form you can use to help you think and break down the stages of developing your argument.
As with other forms of academic writing, your literature review needs to demonstrate good academic practice by following the Code of Student Conduct and acknowledging the work of others through citing and referencing your sources.
Good academic practice
As with any writing task, you will need to review, edit and rewrite sections of your literature review. The Editing and proofreading page includes tips on how to do this and strategies for standing back and thinking about your structure and checking the flow of your argument.
Editing and proofreading
Guidance on literature searching from the University Library
The Academic Support Librarians have developed LibSmart I and II, Learn courses to help you develop and enhance your digital research skills and capabilities; from getting started with the Library to managing data for your dissertation.
Searching using the library’s DiscoverEd tool: DiscoverEd
Finding resources in your subject: Subject guides
The Academic Support Librarians also provide one-to-one appointments to help you develop your research strategies.
1 to 1 support for literature searching and systematic reviews
Advice to help you optimise use of Google Scholar, Google Books and Google for your research and study: Using Google
Managing and curating your references
A referencing management tool can help you to collect and organise and your source material to produce a bibliography or reference list.
Referencing and reference management
Information Services provide access to Cite them right online which is a guide to the main referencing systems and tells you how to reference just about any source (EASE log-in may be required).
Cite them right
Published study guides
There are a number of scholarship skills books and guides available which can help with writing a literature review. Our Resource List of study skills guides includes sections on Referencing, Dissertation and project writing and Literature reviews.
Study skills guides
Write a Literature Review
1. narrow your topic and select papers accordingly, 2. search for literature, 3. read the selected articles thoroughly and evaluate them, 4. organize the selected papers by looking for patterns and by developing subtopics, 5. develop a thesis or purpose statement, 6. write the paper, 7. review your work.
- Resources for Gathering and Reading the Literature
- Resources for Writing and Revising
- Other Useful Resources
Ask Us: Chat, email, visit or call
The library offers a range of helpful services. All of our appointments are free of charge and confidential.
- Book an appointment
Consider your specific area of study. Think about what interests you and what interests other researchers in your field.
Talk to your professor, brainstorm, and read lecture notes and recent issues of periodicals in the ﬁeld.
Limit your scope to a smaller topic area (ie. focusing on France's role in WWII instead of focusing on WWII in general).
- Four Steps to Narrow Your Research Topic (Video) This 3-minute video provides instructions on how to narrow the focus of your research topic.
- Developing a Research Question + Worksheet Use this worksheet to develop, assess, and refine your research questions. There is also a downloadable PDF version.
Define your source selection criteria (ie. articles published between a specific date range, focusing on a specific geographic region, or using a specific methodology).
Using keywords, search a library database.
Reference lists of recent articles and reviews can lead to other useful papers.
Include any studies contrary to your point of view.
Evaluate and synthesize the studies' ﬁndings and conclusions.
Note the following:
- Assumptions some or most researchers seem to make
- Methodologies, testing procedures, subjects, material tested researchers use
- Experts in the ﬁeld: names/labs that are frequently referenced
- Conflicting theories, results, methodologies
- Popularity of theories and how this has/has not changed over time
- Findings that are common/contested
- Important trends in the research
- The most influential theories
Tip: If your literature review is extensive, ﬁnd a large table surface, and on it place post-it notes or ﬁling cards to organize all your ﬁndings into categories.
- Move them around if you decide that (a) they ﬁt better under different headings, or (b) you need to establish new topic headings.
- Develop headings/subheadings that reflect the major themes and patterns you detected
Write a one or two sentence statement summarizing the conclusion you have reached about the major trends and developments you see in the research that has been conducted on your subject.
- Templates for Writing Thesis Statements This template provides a two-step guide for writing thesis statements. There is also a downloadable PDF version.
- 5 Types of Thesis Statements Learn about five different types of thesis statements to help you choose the best type for your research. There is also a downloadable PDF version.
- 5 Questions to Strengthen Your Thesis Statement Follow these five steps to strengthen your thesis statements. There is also a downloadable PDF version.
Follow the organizational structure you developed above, including the headings and subheadings you constructed.
Make certain that each section links logically to the one before and after.
Structure your sections by themes or subtopics, not by individual theorists or researchers.
- Tip: If you ﬁnd that each paragraph begins with a researcher's name, it might indicate that, instead of evaluating and comparing the research literature from an analytical point of view, you have simply described what research has been done.
Prioritize analysis over description.
- For example, look at the following two passages and note that Student A merely describes the literature, whereas Student B takes a more analytical and evaluative approach by comparing and contrasting. You can also see that this evaluative approach is well signaled by linguistic markers indicating logical connections (words such as "however," "moreover") and phrases such as "substantiates the claim that," which indicate supporting evidence and Student B's ability to synthesize knowledge.
Student A: Smith (2000) concludes that personal privacy in their living quarters is the most important factor in nursing home residents' perception of their autonomy. He suggests that the physical environment in the more public spaces of the building did not have much impact on their perceptions. Neither the layout of the building nor the activities available seem to make much difference. Jones and Johnstone make the claim that the need to control one's environment is a fundamental need of life (2001), and suggest that the approach of most institutions, which is to provide total care, may be as bad as no care at all. If people have no choices or think that they have none, they become depressed.
Student B: After studying residents and staff from two intermediate care facilities in Calgary, Alberta, Smith (2000) came to the conclusion that except for the amount of personal privacy available to residents, the physical environment of these institutions had minimal if any effect on their perceptions of control (autonomy). However, French (1998) and Haroon (2000) found that availability of private areas is not the only aspect of the physical environment that determines residents' autonomy. Haroon interviewed 115 residents from 32 different nursing homes known to have different levels of autonomy (2000). It was found that physical structures, such as standardized furniture, heating that could not be individually regulated, and no possession of a house key for residents limited their feelings of independence. Moreover, Hope (2002), who interviewed 225 residents from various nursing homes, substantiates the claim that characteristics of the institutional environment such as the extent of resources in the facility, as well as its location, are features which residents have indicated as being of great importance to their independence.
- How to Integrate Critical Voice into Your Literature Review (Video)
- Look at the topic sentences of each paragraph. If you were to read only these sentences, would you ﬁnd that your paper presented a clear position, logically developed, from beginning to end? The topic sentences of each paragraph should indicate the main points of your literature review.
- Make an outline of each section of the paper and decide whether you need to add information, to delete irrelevant information, or to re-structure sections.
- Read your work out loud. That way you will be better able to identify where you need punctuation marks to signal pauses or divisions within sentences, where you have made grammatical errors, or where your sentences are unclear.
- Since the purpose of a literature review is to demonstrate that the writer is familiar with the important professional literature on the chosen subject, check to make certain that you have covered all of the important, up-to-date, and pertinent texts. In the sciences and some of the social sciences it is important that your literature be quite recent; this is not so important in the humanities.
- Make certain that all of the citations and references are correct and that you are referencing in the appropriate style for your discipline. If you are uncertain which style to use, ask your professor.
- Check to make sure that you have not plagiarized either by failing to cite a source of information, or by using words quoted directly from a source. (Usually if you take three or more words directly from another source, you should put those words within quotation marks, and cite the page.)
- Text should be written in a clear and concise academic style; it should not be descriptive in nature or use the language of everyday speech.
- There should be no grammatical or spelling errors.
- Sentences should ﬂow smoothly and logically.
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Conduct a literature review
What is a literature review.
A literature review is a summary of the published work in a field of study. This can be a section of a larger paper or article, or can be the focus of an entire paper. Literature reviews show that you have examined the breadth of knowledge and can justify your thesis or research questions. They are also valuable tools for other researchers who need to find a summary of that field of knowledge.
Unlike an annotated bibliography, which is a list of sources with short descriptions, a literature review synthesizes sources into a summary that has a thesis or statement of purpose—stated or implied—at its core.
How do I write a literature review?
Step 1: define your research scope.
- What is the specific research question that your literature review helps to define?
- Are there a maximum or minimum number of sources that your review should include?
Ask us if you have questions about refining your topic, search methods, writing tips, or citation management.
Step 2: Identify the literature
Start by searching broadly. Literature for your review will typically be acquired through scholarly books, journal articles, and/or dissertations. Develop an understanding of what is out there, what terms are accurate and helpful, etc., and keep track of all of it with citation management tools . If you need help figuring out key terms and where to search, ask us .
Use citation searching to track how scholars interact with, and build upon, previous research:
- Mine the references cited section of each relevant source for additional key sources
- Use Google Scholar or Scopus to find other sources that have cited a particular work
Step 3: Critically analyze the literature
Key to your literature review is a critical analysis of the literature collected around your topic. The analysis will explore relationships, major themes, and any critical gaps in the research expressed in the work. Read and summarize each source with an eye toward analyzing authority, currency, coverage, methodology, and relationship to other works. The University of Toronto's Writing Center provides a comprehensive list of questions you can use to analyze your sources.
Step 4: Categorize your resources
Divide the available resources that pertain to your research into categories reflecting their roles in addressing your research question. Possible ways to categorize resources include organization by:
- theoretical/philosophical approach
Regardless of the division, each category should be accompanied by thorough discussions and explanations of strengths and weaknesses, value to the overall survey, and comparisons with similar sources. You may have enough resources when:
- You've used multiple databases and other resources (web portals, repositories, etc.) to get a variety of perspectives on the research topic.
- The same citations are showing up in a variety of databases.
Undergraduate student resources.
- Literature Review Handout (University of North Carolina at Chapel Hill)
- Learn how to write a review of literature (University of Wisconsin-Madison)
Graduate student and faculty resources
- Information Research Strategies (University of Arizona)
- Literature Reviews: An Overview for Graduate Students (NC State University)
- Oliver, P. (2012). Succeeding with Your Literature Review: A Handbook for Students [ebook]
- Machi, L. A. & McEvoy, B. T. (2016). The Literature Review: Six Steps to Success
Graustein, J. S. (2012). How to Write an Exceptional Thesis or Dissertation: A Step-by-Step Guide from Proposal to Successful Defense [ebook]
Thomas, R. M. & Brubaker, D. L. (2008). Theses and Dissertations: A Guide to Planning, Research, and Writing
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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.
- 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.
- 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.
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A complete guide on how to write a literature review
Table of Contents
A literature review is much more than just another section in your research paper. It forms the very foundation of your research. It is a formal piece of writing where you analyze the existing theoretical framework, principles, and assumptions and use that as a base to shape your approach to the research question.
Curating and drafting a solid literature review section not only lends more credibility to your research paper but also makes your research tighter and better focused. But, writing literature reviews is a difficult task. It requires extensive reading, plus you have to consider market trends and technological and political changes, which tend to change in the blink of an eye.
Now streamline your literature review process with the help of SciSpace Copilot. With this AI research assistant, you can efficiently synthesize and analyze a vast amount of information, identify key themes and trends, and uncover gaps in the existing research. Get real-time explanations, summaries, and answers to your questions for the paper you're reviewing, making navigating and understanding the complex literature landscape easier.
In this comprehensive guide, we will explore everything from the definition of a literature review, its appropriate length, various types of literature reviews, and how to write one.
What is a literature review?
A literature review is a collation of survey, research, critical evaluation, and assessment of the existing literature in a preferred domain.
Eminent researcher and academic Arlene Fink, in her book Conducting Research Literature Reviews , defines it as the following:
“A literature review surveys 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 explored while researching a particular topic, and to demonstrate to your readers how your research fits within a larger field of study.”
Simply put, a literature review can be defined as a critical discussion of relevant pre-existing research around your research question and carving out a definitive place for your study in the existing body of knowledge. Literature reviews can be presented in multiple ways: a section of an article, the whole research paper itself, or a chapter of your thesis.
A literature review does function as a summary of sources, but it also allows you to analyze further, interpret, and examine the stated theories, methods, viewpoints, and, of course, the gaps in the existing content.
As an author, you can discuss and interpret the research question and its various aspects and debate your adopted methods to support the claim.
What is the purpose of a literature review?
A literature review is meant to help your readers understand the relevance of your research question and where it fits within the existing body of knowledge. As a researcher, you should use it to set the context, build your argument, and establish the need for your study.
What is the importance of a literature review?
The literature review is a critical part of research papers because it helps you:
- Gain an in-depth understanding of your research question and the surrounding area
- Convey that you have a thorough understanding of your research area and are up-to-date with the latest changes and advancements
- Establish how your research is connected or builds on the existing body of knowledge and how it could contribute to further research
- Elaborate on the validity and suitability of your theoretical framework and research methodology
- Identify and highlight gaps and shortcomings in the existing body of knowledge and how things need to change
- Convey to readers how your study is different or how it contributes to the research area
How long should a literature review be?
Ideally, the literature review should take up 15%-40% of the total length of your manuscript. So, if you have a 10,000-word research paper, the minimum word count could be 1500.
Your literature review format depends heavily on the kind of manuscript you are writing — an entire chapter in case of doctoral theses, a part of the introductory section in a research article, to a full-fledged review article that examines the previously published research on a topic.
Another determining factor is the type of research you are doing. The literature review section tends to be longer for secondary research projects than primary research projects.
What are the different types of literature reviews?
All literature reviews are not the same. There are a variety of possible approaches that you can take. It all depends on the type of research you are pursuing.
Here are the different types of literature reviews:
It is called an argumentative review when you carefully present literature that only supports or counters a specific argument or premise to establish a viewpoint.
It is a type of literature review focused on building a comprehensive understanding of a topic by combining available theoretical frameworks and empirical evidence.
This approach delves into the ''how'' and the ''what" of the research question — you cannot look at the outcome in isolation; you should also review the methodology used.
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 collect, report, and analyze data from the studies included in the review.
Meta-analysis uses 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 than those derived from the individual studies included within a review.
Historical literature reviews focus on examining research throughout a period, often starting with the first time an issue, concept, theory, or phenomenon 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 identify future research's likely directions.
This form aims to examine the corpus of theory accumulated regarding an issue, concept, theory, and phenomenon. The theoretical literature review helps to establish what theories exist, the relationships between them, the degree the existing approaches have been investigated, and to develop new hypotheses to be tested.
The Scoping Review is often used at the beginning of an article, dissertation, or research proposal. It is conducted before the research to highlight gaps in the existing body of knowledge and explains why the project should be greenlit.
The State-of-the-Art review is conducted periodically, focusing on the most recent research. It describes what is currently known, understood, or agreed upon regarding the research topic and highlights where there are still disagreements.
Can you use the first person in a literature review?
When writing literature reviews, you should avoid the usage of first-person pronouns. It means that instead of "I argue that" or "we argue that," the appropriate expression would be "this research paper argues that."
Do you need an abstract for a literature review?
Ideally, yes. It is always good to have a condensed summary that is self-contained and independent of the rest of your review. As for how to draft one, you can follow the same fundamental idea when preparing an abstract for a literature review. It should also include:
- The research topic and your motivation behind selecting it
- A one-sentence thesis statement
- An explanation of the kinds of literature featured in the review
- Summary of what you've learned
- Conclusions you drew from the literature you reviewed
- Potential implications and future scope for research
Is a literature review written in the past tense?
Yes, the literature review should ideally be written in the past tense. You should not use the present or future tense when writing one. The exceptions are when you have statements describing events that happened earlier than the literature you are reviewing or events that are currently occurring; then, you can use the past perfect or present perfect tenses.
How many sources for a literature review?
There are multiple approaches to deciding how many sources to include in a literature review section. The first approach would be to look level you are at as a researcher. For instance, a doctoral thesis might need 60+ sources. In contrast, you might only need to refer to 5-15 sources at the undergraduate level.
The second approach is based on the kind of literature review you are doing — whether it is merely a chapter of your paper or if it is a self-contained paper in itself. When it is just a chapter, sources should equal the total number of pages in your article's body. In the second scenario, you need at least three times as many sources as there are pages in your work.
Six quick tips on how to write a literature review
To know how to write a literature review, you must clearly understand its impact and role in establishing your work as substantive research material.
You need to follow the below-mentioned steps, to write a literature review:
- Outline the purpose behind the literature review
- Search relevant literature
- Examine and assess the relevant resources
- Discover connections by drawing deep insights from the resources
- Structure planning
- Write a good literature review
1. Outline and identify the purpose of a literature review
As a first step on how to write a literature review, you must know what the research question or topic is and what shape you want your literature review to take. Ensure you understand the research topic inside out, or else seek clarifications. You must be able to the answer below questions before you start:
- How many sources do I need to include?
- What kind of sources should I analyze?
- How much should I critically evaluate each source?
- Should I summarize, synthesize or offer a critique of the sources?
- Do I need to include any background information or definitions?
Additionally, you should know that the narrower your research topic is, the swifter it will be for you to restrict the number of sources to be analyzed.
2. Search relevant literature
Dig deeper into search engines to discover what has already been published around your chosen topic. Make sure you thoroughly go through appropriate reference sources like books, reports, journal articles, government docs, and web-based resources.
You must prepare a list of keywords and their different variations. You can start your search from any library’s catalog, provided you are an active member of that institution. The exact keywords can be extended to widen your research over other databases and academic search engines like:
- Google Scholar
- Microsoft Academic
Besides, it is not advisable to go through every resource word by word. Alternatively, what you can do is you can start by reading the abstract and then decide whether that source is relevant to your research or not.
Additionally, you must spend surplus time assessing the quality and relevance of resources. It would help if you tried preparing a list of citations to ensure that there lies no repetition of authors, publications, or articles in the literature review.
3. Examine and assess the sources
It is nearly impossible for you to go through every detail in the research article. So rather than trying to fetch every detail, you have to analyze and decide which research sources resemble closest and appear relevant to your chosen domain.
While analyzing the sources, you should look to find out answers to questions like:
- What question or problem has the author been describing and debating?
- What is the definition of critical aspects?
- How well the theories, approach, and methodology have been explained?
- Whether the research theory used some conventional or new innovative approach?
- How relevant are the key findings of the work?
- In what ways does it relate to other sources on the same topic?
- What challenges does this research paper pose to the existing theory
- What are the possible contributions or benefits it adds to the subject domain?
Be always mindful that you refer only to credible and authentic resources. It would be best if you always take references from different publications to validate your theory.
Always keep track of important information or data you can present in your literature review right from the beginning. It will help steer your path from any threats of plagiarism and also make it easier to curate an annotated bibliography or reference section.
4. Discover connections
At this stage, you must start deciding on the argument and structure of your literature review. To accomplish this, you must discover and identify the relations and connections between various resources while drafting your abstract.
A few aspects that you should be aware of while writing a literature review include:
- Rise to prominence: Theories and methods that have gained reputation and supporters over time.
- Constant scrutiny: Concepts or theories that repeatedly went under examination.
- Contradictions and conflicts: Theories, both the supporting and the contradictory ones, for the research topic.
- Knowledge gaps: What exactly does it fail to address, and how to bridge them with further research?
- Influential resources: Significant research projects available that have been upheld as milestones or perhaps, something that can modify the current trends
Once you join the dots between various past research works, it will be easier for you to draw a conclusion and identify your contribution to the existing knowledge base.
5. Structure planning for a literature review
There exist different ways towards planning and executing the structure of a literature review. The format of a literature review varies and depends upon the length of the research.
Nevertheless, a good literature review can be structured according to the chronological, thematic, methodological, or theoretical framework approach.
The chronological approach to building the structure of a literature review has been described as one of the most straightforward approaches. However, do not just make a list or summarize the reference resources. Instead, try to put in a brief discussion and analysis of the critical arguments, research, and trends that have shaped the current status of your subject domain. Additionally, you must provide an interpretation of these events in your curated version.
The format of a literature review is structured in sections and sub-sections. Every part stays dedicated to presenting a different aspect of your chosen topic. Unlike the chronological approach, the primary focus here is on a topic or issue instead of the progression of certain events.
You can present your structure in a form by showing a comparison between crucial findings, gatherings, and outcomes from different research methods. These portions may include drawing insights and analysis of:
- Gatherings extracted from qualitative vs. quantitative methods.
- Leveraging the empirical and theoretical methods to validate your key findings and results.
- Classification of resources based upon the context of history, culture, and economy.
Literature reviews are often used to discuss and analyze vital concepts and theories. Adopting this approach, you can significantly put forth the relevance and critical findings of a particular theoretical method. Proceeding in the same way, you can also outline an entirely new research framework.
6. Write a good literature review
Like any other research paper, the literature review format must contain three sections: introduction, body, and conclusion. The goals and objectives of the research question determine what goes inside these three sections.
a) Introduction for a good literature review
Since it happens to be the first paragraph, you must include and define its purpose and critical aspects.
If you are writing the literature review for your thesis or dissertation, you should restate the research question. Likewise, you can even go towards presenting a summary of the whole context and highlighting the gaps existing within.
Besides, if you are writing the literature review as a separate assignment, you must choose to provide a piece of background information. Additionally, you must state its scope and objectives. However, in any case, do not skip mentioning results that you intend to draw from the literature.
b) Body of the literature review
To write a good literature review, the format and structure of the central body part play a pivotal role. Thus, you must use sections and subsections to divide the body for each methodological approach or theme aspect.
While writing the literature review, you can choose to adopt either or all of the following measures:
- A general overview or summary must be provided, focusing on the critical points of each source and coherent sync among all the references.
- It would be best to put your interpretations towards every source you opted to include. Paraphrasing others' work is something you should avoid altogether.
- Justify and validate your results per your research.
- Be specific about the strengths and weaknesses of specified sources.
- Transitions and topic sentences can be advantageous while writing nicely oriented body paragraphs.
c) Conclusion of the literature review
The conclusion of your literature review must be focused on your key findings, their results, and an elaborated emphasis on the significance of all aspects.
Describing the research gaps and your contributions can be helpful in case you are writing for a dissertation or thesis. Moreover, you must specify the procedure and research methodology for developing the framework for your research topic.
Additionally, if the literature review is a standalone assignment for you, present the conclusion centered on the implications and suggestions for future references.
Lastly, you must ensure that your research paper does not miss any critical aspects and must not contain any grammatical or spelling mistakes. For this, you must proofread and edit it to perfection.
Sample literature reviews
2. As a section of a research paper
How SciSpace Discover makes literature review a breeze?
SciSpace Discover is a one-stop solution to do an effective literature search and get barrier-free access to scientific knowledge. It is an excellent repository where you can find millions of only peer-reviewed articles and full-text PDF files. Here’s more on how you can use it:
Find the right information
Find what you want quickly and easily with comprehensive search filters that let you narrow down papers according to PDF availability, year of publishing, document type, and affiliated institution. Moreover, you can sort the results based on the publishing date, citation count, and relevance.
Assess credibility of papers quickly
When doing the literature review, it is critical to establish the quality of your sources. They form the foundation of your research. SciSpace Discover helps you assess the quality of a source by providing an overview of its references, citations, and performance metrics.
Get the complete picture in no time
SciSpace Discover’s personalized suggestion engine helps you stay on course and get the complete picture of the topic from one place. Every time you visit an article page, it provides you links to related papers. Besides that, it helps you understand what’s trending, who are the top authors, and who are the leading publishers on a topic.
Make referring sources super easy
To ensure you don't lose track of your sources, you must start noting down your references when doing the literature review. SciSpace Discover makes this step effortless. Click the 'cite' button on an article page, and you will receive preloaded citation text in multiple styles — all you've to do is copy-paste it into your manuscript.
Final tips on how to write a literature review
A massive chunk of time and effort is required to write a good literature review. But, if you go about it systematically, you'll be able to save a ton of time and build a solid foundation for your research.
We hope this guide has helped you answer several key questions you have about writing literature reviews.
Would you like to explore SciSpace Discover and kick off your literature search right away? You can get started here .
Frequently Asked Questions (FAQs)
1. what is a literature review.
A literature review is a critical assessment of the existing research on a given topic. It synthesizes the research on a topic by examining the results of related studies and identifying gaps, contradictions, or areas for improvement in the current knowledge base.
2. How to write a literature review?
• Outline the purpose behind the literature review
• Search relevant literature
• Examine and assess the relevant resources
• Discover connections by drawing deep insights from the resources
• Structure planning
• Write a good literature review
3. What is the purpose of a literature review?
The purpose of a literature review is to share information about a topic that has been written about by others. The review summarizes the work that has been done on the topic, identifies gaps in the literature, and relates how this work fits into a larger body of knowledge that includes previous research.
4. How long should a literature review be?
5. how to start a literature review.
• What questions do you want to answer?
• What sources do you need to answer these questions?
• What information do these sources contain?
• How can you use this information to answer your questions?
6. What to include in a literature review?
• A brief background of the problem or issue
• What has previously been done to address the problem or issue
• A description of what you will do in your project
• How this study will contribute to research on the subject
7. Why literature review is important?
The literature review is an important part of any research project because it allows the writer to look at previous studies on a topic and determine existing gaps in the literature, as well as what has already been done. It will also help them to choose the most appropriate method for their own study.
8. How to cite a literature review in APA format?
To cite a literature review in APA style, you need to provide the author's name, the title of the article, and the year of publication. For example: Patel, A. B., & Stokes, G. S. (2012). The relationship between personality and intelligence: A meta-analysis of longitudinal research. Personality and Individual Differences, 53(1), 16-21
9. What are the components of a literature review?
• A brief introduction to the topic, including its background and context. The introduction should also include a rationale for why the study is being conducted and what it will accomplish.
• A description of the methodologies used in the study. This can include information about data collection methods, sample size, and statistical analyses.
• A presentation of the findings in an organized format that helps readers follow along with the author's conclusions.
10. What are common errors in writing literature review?
• Not spending enough time to critically evaluate the relevance of resources, observations and conclusions.
• Totally relying on secondary data while ignoring primary data.
• Letting your personal bias seep into your interpretation of existing literature.
• No detailed explanation of the procedure to discover and identify an appropriate literature review.
11. What are the 5 C's of writing literature review?
• Cite - the sources you utilized and referenced in your research.
• Compare - existing arguments, hypotheses, methodologies, and conclusions found in the knowledge base.
• Contrast - the arguments, topics, methodologies, approaches, and disputes that may be found in the literature.
• Critique - the literature and describe the ideas and opinions you find more convincing and why.
• Connect - the various studies you reviewed in your research.
12. How many sources should a literature review have?
When it is just a chapter, sources should equal the total number of pages in your article's body. if it is a self-contained paper in itself, you need at least three times as many sources as there are pages in your work.
13. Can literature review have diagrams?
• To represent an abstract idea or concept
• To explain the steps of a process or procedure
• To help readers understand the relationships between different concepts
14. How old should sources be in a literature review?
Sources for a literature review should be as current as possible or not older than ten years. The only exception to this rule is if you are reviewing a historical topic and need to use older sources.
15. What are the types of literature review?
• Argumentative review
• Integrative review
• Methodological review
• Systematic review
• Meta-analysis review
• Historical review
• Theoretical review
• Scoping review
• State-of-the-Art review
16. Is a literature review mandatory?
Yes. Literature review is a mandatory part of any research project. It is a critical step in the process that allows you to establish the scope of your research, and provide a background for the rest of your work.
But before you go,
- Six Online Tools for Easy Literature Review
- Evaluating literature review: systematic vs. scoping reviews
- Systematic Approaches to a Successful Literature Review
- Writing Integrative Literature Reviews: Guidelines and Examples