how many chapters for phd

Dissertation Structure & Layout 101: How to structure your dissertation, thesis or research project.

By: Derek Jansen (MBA) Reviewed By: David Phair (PhD) | July 2019

So, you’ve got a decent understanding of what a dissertation is , you’ve chosen your topic and hopefully you’ve received approval for your research proposal . Awesome! Now its time to start the actual dissertation or thesis writing journey.

To craft a high-quality document, the very first thing you need to understand is dissertation structure . In this post, we’ll walk you through the generic dissertation structure and layout, step by step. We’ll start with the big picture, and then zoom into each chapter to briefly discuss the core contents. If you’re just starting out on your research journey, you should start with this post, which covers the big-picture process of how to write a dissertation or thesis .

Dissertation structure and layout - the basics

*The Caveat *

In this post, we’ll be discussing a traditional dissertation/thesis structure and layout, which is generally used for social science research across universities, whether in the US, UK, Europe or Australia. However, some universities may have small variations on this structure (extra chapters, merged chapters, slightly different ordering, etc).

So, always check with your university if they have a prescribed structure or layout that they expect you to work with. If not, it’s safe to assume the structure we’ll discuss here is suitable. And even if they do have a prescribed structure, you’ll still get value from this post as we’ll explain the core contents of each section.  

Overview: S tructuring a dissertation or thesis

  • Acknowledgements page
  • Abstract (or executive summary)
  • Table of contents , list of figures and tables
  • Chapter 1: Introduction
  • Chapter 2: Literature review
  • Chapter 3: Methodology
  • Chapter 4: Results
  • Chapter 5: Discussion
  • Chapter 6: Conclusion
  • Reference list

As I mentioned, some universities will have slight variations on this structure. For example, they want an additional “personal reflection chapter”, or they might prefer the results and discussion chapter to be merged into one. Regardless, the overarching flow will always be the same, as this flow reflects the research process , which we discussed here – i.e.:

  • The introduction chapter presents the core research question and aims .
  • The literature review chapter assesses what the current research says about this question.
  • The methodology, results and discussion chapters go about undertaking new research about this question.
  • The conclusion chapter (attempts to) answer the core research question .

In other words, the dissertation structure and layout reflect the research process of asking a well-defined question(s), investigating, and then answering the question – see below.

A dissertation's structure reflect the research process

To restate that – the structure and layout of a dissertation reflect the flow of the overall research process . This is essential to understand, as each chapter will make a lot more sense if you “get” this concept. If you’re not familiar with the research process, read this post before going further.

Right. Now that we’ve covered the big picture, let’s dive a little deeper into the details of each section and chapter. Oh and by the way, you can also grab our free dissertation/thesis template here to help speed things up.

The title page of your dissertation is the very first impression the marker will get of your work, so it pays to invest some time thinking about your title. But what makes for a good title? A strong title needs to be 3 things:

  • Succinct (not overly lengthy or verbose)
  • Specific (not vague or ambiguous)
  • Representative of the research you’re undertaking (clearly linked to your research questions)

Typically, a good title includes mention of the following:

  • The broader area of the research (i.e. the overarching topic)
  • The specific focus of your research (i.e. your specific context)
  • Indication of research design (e.g. quantitative , qualitative , or  mixed methods ).

For example:

A quantitative investigation [research design] into the antecedents of organisational trust [broader area] in the UK retail forex trading market [specific context/area of focus].

Again, some universities may have specific requirements regarding the format and structure of the title, so it’s worth double-checking expectations with your institution (if there’s no mention in the brief or study material).

Dissertations stacked up

Acknowledgements

This page provides you with an opportunity to say thank you to those who helped you along your research journey. Generally, it’s optional (and won’t count towards your marks), but it is academic best practice to include this.

So, who do you say thanks to? Well, there’s no prescribed requirements, but it’s common to mention the following people:

  • Your dissertation supervisor or committee.
  • Any professors, lecturers or academics that helped you understand the topic or methodologies.
  • Any tutors, mentors or advisors.
  • Your family and friends, especially spouse (for adult learners studying part-time).

There’s no need for lengthy rambling. Just state who you’re thankful to and for what (e.g. thank you to my supervisor, John Doe, for his endless patience and attentiveness) – be sincere. In terms of length, you should keep this to a page or less.

Abstract or executive summary

The dissertation abstract (or executive summary for some degrees) serves to provide the first-time reader (and marker or moderator) with a big-picture view of your research project. It should give them an understanding of the key insights and findings from the research, without them needing to read the rest of the report – in other words, it should be able to stand alone .

For it to stand alone, your abstract should cover the following key points (at a minimum):

  • Your research questions and aims – what key question(s) did your research aim to answer?
  • Your methodology – how did you go about investigating the topic and finding answers to your research question(s)?
  • Your findings – following your own research, what did do you discover?
  • Your conclusions – based on your findings, what conclusions did you draw? What answers did you find to your research question(s)?

So, in much the same way the dissertation structure mimics the research process, your abstract or executive summary should reflect the research process, from the initial stage of asking the original question to the final stage of answering that question.

In practical terms, it’s a good idea to write this section up last , once all your core chapters are complete. Otherwise, you’ll end up writing and rewriting this section multiple times (just wasting time). For a step by step guide on how to write a strong executive summary, check out this post .

Need a helping hand?

how many chapters for phd

Table of contents

This section is straightforward. You’ll typically present your table of contents (TOC) first, followed by the two lists – figures and tables. I recommend that you use Microsoft Word’s automatic table of contents generator to generate your TOC. If you’re not familiar with this functionality, the video below explains it simply:

If you find that your table of contents is overly lengthy, consider removing one level of depth. Oftentimes, this can be done without detracting from the usefulness of the TOC.

Right, now that the “admin” sections are out of the way, its time to move on to your core chapters. These chapters are the heart of your dissertation and are where you’ll earn the marks. The first chapter is the introduction chapter – as you would expect, this is the time to introduce your research…

It’s important to understand that even though you’ve provided an overview of your research in your abstract, your introduction needs to be written as if the reader has not read that (remember, the abstract is essentially a standalone document). So, your introduction chapter needs to start from the very beginning, and should address the following questions:

  • What will you be investigating (in plain-language, big picture-level)?
  • Why is that worth investigating? How is it important to academia or business? How is it sufficiently original?
  • What are your research aims and research question(s)? Note that the research questions can sometimes be presented at the end of the literature review (next chapter).
  • What is the scope of your study? In other words, what will and won’t you cover ?
  • How will you approach your research? In other words, what methodology will you adopt?
  • How will you structure your dissertation? What are the core chapters and what will you do in each of them?

These are just the bare basic requirements for your intro chapter. Some universities will want additional bells and whistles in the intro chapter, so be sure to carefully read your brief or consult your research supervisor.

If done right, your introduction chapter will set a clear direction for the rest of your dissertation. Specifically, it will make it clear to the reader (and marker) exactly what you’ll be investigating, why that’s important, and how you’ll be going about the investigation. Conversely, if your introduction chapter leaves a first-time reader wondering what exactly you’ll be researching, you’ve still got some work to do.

Now that you’ve set a clear direction with your introduction chapter, the next step is the literature review . In this section, you will analyse the existing research (typically academic journal articles and high-quality industry publications), with a view to understanding the following questions:

  • What does the literature currently say about the topic you’re investigating?
  • Is the literature lacking or well established? Is it divided or in disagreement?
  • How does your research fit into the bigger picture?
  • How does your research contribute something original?
  • How does the methodology of previous studies help you develop your own?

Depending on the nature of your study, you may also present a conceptual framework towards the end of your literature review, which you will then test in your actual research.

Again, some universities will want you to focus on some of these areas more than others, some will have additional or fewer requirements, and so on. Therefore, as always, its important to review your brief and/or discuss with your supervisor, so that you know exactly what’s expected of your literature review chapter.

Dissertation writing

Now that you’ve investigated the current state of knowledge in your literature review chapter and are familiar with the existing key theories, models and frameworks, its time to design your own research. Enter the methodology chapter – the most “science-ey” of the chapters…

In this chapter, you need to address two critical questions:

  • Exactly HOW will you carry out your research (i.e. what is your intended research design)?
  • Exactly WHY have you chosen to do things this way (i.e. how do you justify your design)?

Remember, the dissertation part of your degree is first and foremost about developing and demonstrating research skills . Therefore, the markers want to see that you know which methods to use, can clearly articulate why you’ve chosen then, and know how to deploy them effectively.

Importantly, this chapter requires detail – don’t hold back on the specifics. State exactly what you’ll be doing, with who, when, for how long, etc. Moreover, for every design choice you make, make sure you justify it.

In practice, you will likely end up coming back to this chapter once you’ve undertaken all your data collection and analysis, and revise it based on changes you made during the analysis phase. This is perfectly fine. Its natural for you to add an additional analysis technique, scrap an old one, etc based on where your data lead you. Of course, I’m talking about small changes here – not a fundamental switch from qualitative to quantitative, which will likely send your supervisor in a spin!

You’ve now collected your data and undertaken your analysis, whether qualitative, quantitative or mixed methods. In this chapter, you’ll present the raw results of your analysis . For example, in the case of a quant study, you’ll present the demographic data, descriptive statistics, inferential statistics , etc.

Typically, Chapter 4 is simply a presentation and description of the data, not a discussion of the meaning of the data. In other words, it’s descriptive, rather than analytical – the meaning is discussed in Chapter 5. However, some universities will want you to combine chapters 4 and 5, so that you both present and interpret the meaning of the data at the same time. Check with your institution what their preference is.

Now that you’ve presented the data analysis results, its time to interpret and analyse them. In other words, its time to discuss what they mean, especially in relation to your research question(s).

What you discuss here will depend largely on your chosen methodology. For example, if you’ve gone the quantitative route, you might discuss the relationships between variables . If you’ve gone the qualitative route, you might discuss key themes and the meanings thereof. It all depends on what your research design choices were.

Most importantly, you need to discuss your results in relation to your research questions and aims, as well as the existing literature. What do the results tell you about your research questions? Are they aligned with the existing research or at odds? If so, why might this be? Dig deep into your findings and explain what the findings suggest, in plain English.

The final chapter – you’ve made it! Now that you’ve discussed your interpretation of the results, its time to bring it back to the beginning with the conclusion chapter . In other words, its time to (attempt to) answer your original research question s (from way back in chapter 1). Clearly state what your conclusions are in terms of your research questions. This might feel a bit repetitive, as you would have touched on this in the previous chapter, but its important to bring the discussion full circle and explicitly state your answer(s) to the research question(s).

Dissertation and thesis prep

Next, you’ll typically discuss the implications of your findings . In other words, you’ve answered your research questions – but what does this mean for the real world (or even for academia)? What should now be done differently, given the new insight you’ve generated?

Lastly, you should discuss the limitations of your research, as well as what this means for future research in the area. No study is perfect, especially not a Masters-level. Discuss the shortcomings of your research. Perhaps your methodology was limited, perhaps your sample size was small or not representative, etc, etc. Don’t be afraid to critique your work – the markers want to see that you can identify the limitations of your work. This is a strength, not a weakness. Be brutal!

This marks the end of your core chapters – woohoo! From here on out, it’s pretty smooth sailing.

The reference list is straightforward. It should contain a list of all resources cited in your dissertation, in the required format, e.g. APA , Harvard, etc.

It’s essential that you use reference management software for your dissertation. Do NOT try handle your referencing manually – its far too error prone. On a reference list of multiple pages, you’re going to make mistake. To this end, I suggest considering either Mendeley or Zotero. Both are free and provide a very straightforward interface to ensure that your referencing is 100% on point. I’ve included a simple how-to video for the Mendeley software (my personal favourite) below:

Some universities may ask you to include a bibliography, as opposed to a reference list. These two things are not the same . A bibliography is similar to a reference list, except that it also includes resources which informed your thinking but were not directly cited in your dissertation. So, double-check your brief and make sure you use the right one.

The very last piece of the puzzle is the appendix or set of appendices. This is where you’ll include any supporting data and evidence. Importantly, supporting is the keyword here.

Your appendices should provide additional “nice to know”, depth-adding information, which is not critical to the core analysis. Appendices should not be used as a way to cut down word count (see this post which covers how to reduce word count ). In other words, don’t place content that is critical to the core analysis here, just to save word count. You will not earn marks on any content in the appendices, so don’t try to play the system!

Time to recap…

And there you have it – the traditional dissertation structure and layout, from A-Z. To recap, the core structure for a dissertation or thesis is (typically) as follows:

  • Acknowledgments page

Most importantly, the core chapters should reflect the research process (asking, investigating and answering your research question). Moreover, the research question(s) should form the golden thread throughout your dissertation structure. Everything should revolve around the research questions, and as you’ve seen, they should form both the start point (i.e. introduction chapter) and the endpoint (i.e. conclusion chapter).

I hope this post has provided you with clarity about the traditional dissertation/thesis structure and layout. If you have any questions or comments, please leave a comment below, or feel free to get in touch with us. Also, be sure to check out the rest of the  Grad Coach Blog .

how many chapters for phd

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This post was based on one of our popular Research Bootcamps . If you're working on a research project, you'll definitely want to check this out ...

36 Comments

ARUN kumar SHARMA

many thanks i found it very useful

Derek Jansen

Glad to hear that, Arun. Good luck writing your dissertation.

Sue

Such clear practical logical advice. I very much needed to read this to keep me focused in stead of fretting.. Perfect now ready to start my research!

hayder

what about scientific fields like computer or engineering thesis what is the difference in the structure? thank you very much

Tim

Thanks so much this helped me a lot!

Ade Adeniyi

Very helpful and accessible. What I like most is how practical the advice is along with helpful tools/ links.

Thanks Ade!

Aswathi

Thank you so much sir.. It was really helpful..

You’re welcome!

Jp Raimundo

Hi! How many words maximum should contain the abstract?

Karmelia Renatee

Thank you so much 😊 Find this at the right moment

You’re most welcome. Good luck with your dissertation.

moha

best ever benefit i got on right time thank you

Krishnan iyer

Many times Clarity and vision of destination of dissertation is what makes the difference between good ,average and great researchers the same way a great automobile driver is fast with clarity of address and Clear weather conditions .

I guess Great researcher = great ideas + knowledge + great and fast data collection and modeling + great writing + high clarity on all these

You have given immense clarity from start to end.

Alwyn Malan

Morning. Where will I write the definitions of what I’m referring to in my report?

Rose

Thank you so much Derek, I was almost lost! Thanks a tonnnn! Have a great day!

yemi Amos

Thanks ! so concise and valuable

Kgomotso Siwelane

This was very helpful. Clear and concise. I know exactly what to do now.

dauda sesay

Thank you for allowing me to go through briefly. I hope to find time to continue.

Patrick Mwathi

Really useful to me. Thanks a thousand times

Adao Bundi

Very interesting! It will definitely set me and many more for success. highly recommended.

SAIKUMAR NALUMASU

Thank you soo much sir, for the opportunity to express my skills

mwepu Ilunga

Usefull, thanks a lot. Really clear

Rami

Very nice and easy to understand. Thank you .

Chrisogonas Odhiambo

That was incredibly useful. Thanks Grad Coach Crew!

Luke

My stress level just dropped at least 15 points after watching this. Just starting my thesis for my grad program and I feel a lot more capable now! Thanks for such a clear and helpful video, Emma and the GradCoach team!

Judy

Do we need to mention the number of words the dissertation contains in the main document?

It depends on your university’s requirements, so it would be best to check with them 🙂

Christine

Such a helpful post to help me get started with structuring my masters dissertation, thank you!

Simon Le

Great video; I appreciate that helpful information

Brhane Kidane

It is so necessary or avital course

johnson

This blog is very informative for my research. Thank you

avc

Doctoral students are required to fill out the National Research Council’s Survey of Earned Doctorates

Emmanuel Manjolo

wow this is an amazing gain in my life

Paul I Thoronka

This is so good

Tesfay haftu

How can i arrange my specific objectives in my dissertation?

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  • A Guide to Writing a PhD Thesis

Written by Ben Taylor

A PhD thesis is a work of original research all students are requiured to submit in order to succesfully complete their PhD. The thesis details the research that you carried out during the course of your doctoral degree and highlights the outcomes and conclusions reached.

The PhD thesis is the most important part of a doctoral research degree: the culmination of three or four years of full-time work towards producing an original contribution to your academic field.

Your PhD dissertation can therefore seem like quite a daunting possibility, with a hefty word count, the pressure of writing something new and, of course, the prospect of defending it at a viva once you’ve finished.

This page will give you an introduction to what you need to know about the doctoral thesis, with advice on structure, feedback, submission and more.

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On this page

Beginning your phd thesis.

The first stage of your PhD thesis will usually be the literature review . We’ve already written a detailed guide to what the PhD literature review involves , but here’s what you need to know about this stage of your PhD:

  • The literature review is a chance for you to display your knowledge and understanding of what’s already been written about your research area – this could consist of papers, articles, books, data and more
  • Rather than simply summarising what other scholars have said about your subject, you should aim to assess and analyse their arguments
  • The literature review is usually the first task of your PhD – and typically forms the first part or chapter of your dissertation

After finishing your literature review, you’ll move onto the bulk of your doctoral thesis. Of course, you’ll eventually return to the lit review to make sure it’s up-to-date and contains any additional material you may have come across during the course of your research.

PhD thesis research

What sets your PhD thesis apart from previous university work you’ve done is the fact that it should represent an original contribution to academic knowledge . The form that this original contribution takes will largely depend on your discipline.

  • Arts and Humanities dissertations usually involve investigating different texts, sources and theoretical frameworks
  • Social Sciences are more likely to focus on qualitive or quantitative surveys and case studies
  • STEM subjects involve designing, recording and analysing experiments, using their data to prove or disprove a set theory

Depending on the nature of your research, you may ‘write up’ your findings as you go, or leave it until the dedicated ‘writing-up’ period, usually in the third year of your PhD. Whatever your approach, it’s vital to keep detailed notes of your sources and methods – it’ll make your life a lot easier when it comes to using references in your dissertation further down the line.

PhD thesis vs dissertation

It’s common to use the terms ‘thesis’ and ‘dissertation’ interchangeably, but strictly speaking there is a difference in meaning between them:

  • Your thesis is your argument. It’s the conclusions you’ve arrived at through surveying existing scholarship in your literature review and combining this with the results of your own original research.
  • Your dissertation is the written statement of your thesis. This is where you lay out your findings in a way that systematically demonstrates and proves your conclusion.

Put simply, you submit a dissertation, but it’s the thesis it attempts to prove that will form the basis of your PhD.

What this also means is that the writing up of your dissertation generally follows the formulation of your doctoral thesis (it’s fairly difficult to write up a PhD before you know what you want to say!).

However, it’s normal for universities and academics to use either (or both) terms when describing PhD research – indeed, we use both ‘thesis’ and ‘dissertation’ across our website.

Can I use my Masters research in my PhD thesis?

If you’re studying an MPhil, it’s normal to ‘ upgrade ’ it into a PhD. Find mroe information on our guide.

PhD thesis structure

Having completed your initial literature review and conducted your original research, you’ll move onto the next phase of your doctoral dissertation, beginning to sketch out a plan that your thesis will follow.

The exact structure and make-up of your doctoral thesis will vary between fields, but this is the general template that many dissertations follow:

  • Introduction – This sets out the key objectives of your project, why the work is significant and what its original contribution to knowledge is. At this point you may also summarise the remaining chapters, offering an abstract of the argument you will go on to develop.
  • Literature review – The introduction will generally lead into a write-up of your literature review. Here you’ll outline the scholarly context for your project. You’ll acknowledge where existing research has shaped your PhD, but emphasise the unique nature of your work.
  • Chapters – After you’ve finished introducing your research, you’ll begin the bulk of the dissertation. This will summarise your results and begin explaining the argument you have based on them. Some PhDs will also include specific chapters on methodology and / or a recreation of the data you have developed. Others will develop your argument over a series of stages, drawing on sources and results as relevant.
  • Conclusion – The dissertation will end with a final chapter that pulls together the different elements of your argument and the evidence you have provided for it. You’ll restate the significance of your project (and its all-important original contribution to knowledge). You may also take the opportunity to acknowledge the potential for further work or opportunities to apply your findings outside academia.
  • Bibliography and appendices – At the end of your thesis, you’ll need to include a full list of the books, articles and data you’ve referenced in a bibliography. You may also need to provide additional information in the form of an appendix.

How long is a PhD thesis?

The length of a PhD thesis varies from subject to subject, but all are far longer than those for undergraduate or Masters degrees. Your university will usually set an upper limit – typically between 70,000 and 100,000 words, with most dissertations coming in at around 80,000 words.

Generally speaking, STEM-based theses will be a little shorter than those in the Arts, Humanities and Social Sciences.

Different universities (and departments) will have different policies regarding what counts towards the PhD thesis word count, so make sure you’re aware what is expected of you. Check with your supervisor whether references, the bibliography or appendices are included in the word count for your dissertation.

How many chapters should a PhD thesis have?

There’s no hard and fast rule for the numbers of chapters in a PhD thesis, but most will have four or five chapters (in addition to the introduction and conclusion). This is the sort of thing you’ll discuss with your supervisor when planning out your research.

Writing up your PhD thesis

Once you’ve conducted your research and settled upon your thesis, there’s only one thing left to do: get it down on paper. Appropriately enough, this final part of a PhD is often referred to as the ‘ writing up period ’.

This is when you produce the final dissertation, which will be submitted as the basis for your viva voce exam. The nature of this task can vary from PhD to PhD.

In some cases you may already have a large amount of chapter drafts and other material. ‘Writing up’ therefore becomes a process of re-drafting and assembling this work into a final dissertation. This approach is common in Arts and Humanities subjects where PhD students tend to work through stages of a project, writing as they go.

Alternatively, you may have spent most of your PhD collecting and analysing data. If so, you’ll now ‘write up’ your findings and conclusions in order to produce your final dissertation. This approach is more common in STEM subjects, where experiment design and data collection are much more resource intensive.

Whatever process you adopt, you’ll now produce a persuasive and coherent statement of your argument, ready to submit for examination.

PhD thesis feedback

Your supervisor will usually give you feedback on each chapter draft, and then feedback on the overall completed dissertation draft before you submit it for examination. When the thesis is a work-in-progress, their comments will be a chance for them to make sure your research is going in the right direction and for you to ask their advice on anything you’re concerned about. This feedback will normally be given in the form of a supervisory meeting.

Although your PhD supervisor will be happy to give you advice on your work, you shouldn’t expect them to be an editor – it’s not their responsibility to correct grammatical or spelling mistakes, and you should make sure any drafts you submit to them are as error-free as possible. Similarly, they won’t be willing to edit your work down to fit a particular word count.

Finishing your PhD thesis

When you’ve finished the final draft of your doctoral thesis and it’s been approved by your supervisor, you’ll submit it for examination. This is when it’s sent to the examiners who will conduct your viva.

Submitting your thesis involves printing enough copies for your examiners and the university’s repository. Don’t leave this until the last minute – printing multiple copies of a 300-page document is a substantial undertaking and you should always allow enough time to account for any possible glitches or issues with the printing process.

Your viva will usually take place within three months of submitting your thesis. You can find out more in our dedicated guide to the PhD viva . After your viva, your examiners will give you a report that confirms whether or not you need to make any changes to your thesis, with several different potential outcomes:

  • Pass – You’ve received your doctoral qualification!
  • Minor corrections – These are usually fairly small edits, tweaks and improvements to your thesis, which you’ll be given three months to implement
  • Major corrections – For these substantial changes, you may have to rewrite part of your dissertation or complete extra research, with a six-month deadline

Most PhD students will need to fix some corrections with their thesis (hopefully not major ones). It’s very rare for a dissertation to be failed.

Once you’ve made any necessary changes to your thesis, you’ll submit it one last time (usually electronically).

If you have plans to publish all or part of your work, you may want to request an embargo so that it won’t be visible to the public for a certain time. 12 months is a fairly standard time period for this, although you may want to ask for a longer embargo if you know that you want to turn your thesis into a book or monograph.

Take a look at our programme listings and find the perfect PhD for you.

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Know How to Structure Your PhD Thesis

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Table of Contents

In your academic career, few projects are more important than your PhD thesis. Unfortunately, many university professors and advisors assume that their students know how to structure a PhD. Books have literally been written on the subject, but there’s no need to read a book in order to know about PhD thesis paper format and structure. With that said, however, it’s important to understand that your PhD thesis format requirement may not be the same as another student’s. The bottom line is that how to structure a PhD thesis often depends on your university and department guidelines.

But, let’s take a look at a general PhD thesis format. We’ll look at the main sections, and how to connect them to each other. We’ll also examine different hints and tips for each of the sections. As you read through this toolkit, compare it to published PhD theses in your area of study to see how a real-life example looks.

Main Sections of a PhD Thesis

In almost every PhD thesis or dissertation, there are standard sections. Of course, some of these may differ, depending on your university or department requirements, as well as your topic of study, but this will give you a good idea of the basic components of a PhD thesis format.

  • Abstract : The abstract is a brief summary that quickly outlines your research, touches on each of the main sections of your thesis, and clearly outlines your contribution to the field by way of your PhD thesis. Even though the abstract is very short, similar to what you’ve seen in published research articles, its impact shouldn’t be underestimated. The abstract is there to answer the most important question to the reviewer. “Why is this important?”
  • Introduction : In this section, you help the reviewer understand your entire dissertation, including what your paper is about, why it’s important to the field, a brief description of your methodology, and how your research and the thesis are laid out. Think of your introduction as an expansion of your abstract.
  • Literature Review : Within the literature review, you are making a case for your new research by telling the story of the work that’s already been done. You’ll cover a bit about the history of the topic at hand, and how your study fits into the present and future.
  • Theory Framework : Here, you explain assumptions related to your study. Here you’re explaining to the review what theoretical concepts you might have used in your research, how it relates to existing knowledge and ideas.
  • Methods : This section of a PhD thesis is typically the most detailed and descriptive, depending of course on your research design. Here you’ll discuss the specific techniques you used to get the information you were looking for, in addition to how those methods are relevant and appropriate, as well as how you specifically used each method described.
  • Results : Here you present your empirical findings. This section is sometimes also called the “empiracles” chapter. This section is usually pretty straightforward and technical, and full of details. Don’t shortcut this chapter.
  • Discussion : This can be a tricky chapter, because it’s where you want to show the reviewer that you know what you’re talking about. You need to speak as a PhD versus a student. The discussion chapter is similar to the empirical/results chapter, but you’re building on those results to push the new information that you learned, prior to making your conclusion.
  • Conclusion : Here, you take a step back and reflect on what your original goals and intentions for the research were. You’ll outline them in context of your new findings and expertise.

Tips for your PhD Thesis Format

As you put together your PhD thesis, it’s easy to get a little overwhelmed. Here are some tips that might keep you on track.

  • Don’t try to write your PhD as a first-draft. Every great masterwork has typically been edited, and edited, and…edited.
  • Work with your thesis supervisor to plan the structure and format of your PhD thesis. Be prepared to rewrite each section, as you work out rough drafts. Don’t get discouraged by this process. It’s typical.
  • Make your writing interesting. Academic writing has a reputation of being very dry.
  • You don’t have to necessarily work on the chapters and sections outlined above in chronological order. Work on each section as things come up, and while your work on that section is relevant to what you’re doing.
  • Don’t rush things. Write a first draft, and leave it for a few days, so you can come back to it with a more critical take. Look at it objectively and carefully grammatical errors, clarity, logic and flow.
  • Know what style your references need to be in, and utilize tools out there to organize them in the required format.
  • It’s easier to accidentally plagiarize than you think. Make sure you’re referencing appropriately, and check your document for inadvertent plagiarism throughout your writing process.

PhD Thesis Editing Plus

Want some support during your PhD writing process? Our PhD Thesis Editing Plus service includes extensive and detailed editing of your thesis to improve the flow and quality of your writing. Unlimited editing support for guaranteed results. Learn more here , and get started today!

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How to write a PhD thesis: a step-by-step guide

A draft isn’t a perfect, finished product; it is your opportunity to start getting words down on paper, writes Kelly Louise Preece

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Kelly Louise Preece

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Congratulations; you’ve finished your research! Time to write your PhD thesis. This resource will take you through an eight-step plan for drafting your chapters and your thesis as a whole. 

Infographic with steps on how to draft your PhD thesis

Organise your material

Before you start, it’s important to get organised. Take a step back and look at the data you have, then reorganise your research. Which parts of it are central to your thesis and which bits need putting to one side? Label and organise everything using logical folders – make it easy for yourself! Academic and blogger Pat Thomson calls this  “Clean up to get clearer” . Thomson suggests these questions to ask yourself before you start writing:

  • What data do you have? You might find it useful to write out a list of types of data (your supervisor will find this list useful too.) This list is also an audit document that can go in your thesis. Do you have any for the “cutting room floor”? Take a deep breath and put it in a separate non-thesis file. You can easily retrieve it if it turns out you need it.
  • What do you have already written? What chunks of material have you written so far that could form the basis of pieces of the thesis text? They will most likely need to be revised but they are useful starting points. Do you have any holding text? That is material you already know has to be rewritten but contains information that will be the basis of a new piece of text.
  • What have you read and what do you still need to read? Are there new texts that you need to consult now after your analysis? What readings can you now put to one side, knowing that they aren’t useful for this thesis – although they might be useful at another time?
  • What goes with what? Can you create chunks or themes of materials that are going to form the basis of some chunks of your text, perhaps even chapters?

Once you have assessed and sorted what you have collected and generated you will be in much better shape to approach the big task of composing the dissertation. 

Decide on a key message

A key message is a summary of new information communicated in your thesis. You should have started to map this out already in the section on argument and contribution – an overarching argument with building blocks that you will flesh out in individual chapters.

You have already mapped your argument visually, now you need to begin writing it in prose. Following another of Pat Thomson’s exercises, write a “tiny text” thesis abstract. This doesn’t have to be elegant, or indeed the finished product, but it will help you articulate the argument you want your thesis to make. You create a tiny text using a five-paragraph structure:

  • The first sentence addresses the broad context. This locates the study in a policy, practice or research field.
  • The second sentence establishes a problem related to the broad context you have set out. It often starts with “But”, “Yet” or “However”.
  • The third sentence says what specific research has been done. This often starts with “This research” or “I report…”
  • The fourth sentence reports the results. Don’t try to be too tricky here, just start with something like: “This study shows,” or “Analysis of the data suggests that…”
  • The fifth and final sentence addresses the “So What?” question and makes clear the claim to contribution.

Here’s an example that Thomson provides:

Secondary school arts are in trouble, as the fall in enrolments in arts subjects dramatically attests. However, there is patchy evidence about the benefits of studying arts subjects at school and this makes it hard to argue why the drop in arts enrolments matters. This thesis reports on research which attempts to provide some answers to this problem – a longitudinal study which followed two groups of senior secondary students, one group enrolled in arts subjects and the other not, for three years. The results of the study demonstrate the benefits of young people’s engagement in arts activities, both in and out of school, as well as the connections between the two. The study not only adds to what is known about the benefits of both formal and informal arts education but also provides robust evidence for policymakers and practitioners arguing for the benefits of the arts. You can  find out more about tiny texts and thesis abstracts on Thomson’s blog.

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Write a plan

You might not be a planner when it comes to writing. You might prefer to sit, type and think through ideas as you go. That’s OK. Everybody works differently. But one of the benefits of planning your writing is that your plan can help you when you get stuck. It can help with writer’s block (more on this shortly!) but also maintain clarity of intention and purpose in your writing.

You can do this by creating a  thesis skeleton or storyboard , planning the order of your chapters, thinking of potential titles (which may change at a later stage), noting down what each chapter/section will cover and considering how many words you will dedicate to each chapter (make sure the total doesn’t exceed the maximum word limit allowed).

Use your plan to help prompt your writing when you get stuck and to develop clarity in your writing.

Some starting points include:

  • This chapter will argue that…
  • This section illustrates that…
  • This paragraph provides evidence that…

Of course, we wish it werethat easy. But you need to approach your first draft as exactly that: a draft. It isn’t a perfect, finished product; it is your opportunity to start getting words down on paper. Start with whichever chapter you feel you want to write first; you don’t necessarily have to write the introduction first. Depending on your research, you may find it easier to begin with your empirical/data chapters.

Vitae advocates for the “three draft approach” to help with this and to stop you from focusing on finding exactly the right word or transition as part of your first draft.

Infographic of the three draft approach

This resource originally appeared on Researcher Development .

Kelly Louse Preece is head of educator development at the University of Exeter.

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  • Dissertation

What Is a Dissertation? | Guide, Examples, & Template

Structure of a Dissertation

A dissertation is a long-form piece of academic writing based on original research conducted by you. It is usually submitted as the final step in order to finish a PhD program.

Your dissertation is probably the longest piece of writing you’ve ever completed. It requires solid research, writing, and analysis skills, and it can be intimidating to know where to begin.

Your department likely has guidelines related to how your dissertation should be structured. When in doubt, consult with your supervisor.

You can also download our full dissertation template in the format of your choice below. The template includes a ready-made table of contents with notes on what to include in each chapter, easily adaptable to your department’s requirements.

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  • In the US, a dissertation generally refers to the collection of research you conducted to obtain a PhD.
  • In other countries (such as the UK), a dissertation often refers to the research you conduct to obtain your bachelor’s or master’s degree.

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Table of contents

Dissertation committee and prospectus process, how to write and structure a dissertation, acknowledgements or preface, list of figures and tables, list of abbreviations, introduction, literature review, methodology, reference list, proofreading and editing, defending your dissertation, free checklist and lecture slides.

When you’ve finished your coursework, as well as any comprehensive exams or other requirements, you advance to “ABD” (All But Dissertation) status. This means you’ve completed everything except your dissertation.

Prior to starting to write, you must form your committee and write your prospectus or proposal . Your committee comprises your adviser and a few other faculty members. They can be from your own department, or, if your work is more interdisciplinary, from other departments. Your committee will guide you through the dissertation process, and ultimately decide whether you pass your dissertation defense and receive your PhD.

Your prospectus is a formal document presented to your committee, usually orally in a defense, outlining your research aims and objectives and showing why your topic is relevant . After passing your prospectus defense, you’re ready to start your research and writing.

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The structure of your dissertation depends on a variety of factors, such as your discipline, topic, and approach. Dissertations in the humanities are often structured more like a long essay , building an overall argument to support a central thesis , with chapters organized around different themes or case studies.

However, hard science and social science dissertations typically include a review of existing works, a methodology section, an analysis of your original research, and a presentation of your results , presented in different chapters.

Dissertation examples

We’ve compiled a list of dissertation examples to help you get started.

  • Example dissertation #1: Heat, Wildfire and Energy Demand: An Examination of Residential Buildings and Community Equity (a dissertation by C. A. Antonopoulos about the impact of extreme heat and wildfire on residential buildings and occupant exposure risks).
  • Example dissertation #2: Exploring Income Volatility and Financial Health Among Middle-Income Households (a dissertation by M. Addo about income volatility and declining economic security among middle-income households).
  • Example dissertation #3: The Use of Mindfulness Meditation to Increase the Efficacy of Mirror Visual Feedback for Reducing Phantom Limb Pain in Amputees (a dissertation by N. S. Mills about the effect of mindfulness-based interventions on the relationship between mirror visual feedback and the pain level in amputees with phantom limb pain).

The very first page of your document contains your dissertation title, your name, department, institution, degree program, and submission date. Sometimes it also includes your student number, your supervisor’s name, and the university’s logo.

Read more about title pages

The acknowledgements section is usually optional and gives space for you to thank everyone who helped you in writing your dissertation. This might include your supervisors, participants in your research, and friends or family who supported you. In some cases, your acknowledgements are part of a preface.

Read more about acknowledgements Read more about prefaces

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how many chapters for phd

The abstract is a short summary of your dissertation, usually about 150 to 300 words long. Though this may seem very short, it’s one of the most important parts of your dissertation, because it introduces your work to your audience.

Your abstract should:

  • State your main topic and the aims of your research
  • Describe your methods
  • Summarize your main results
  • State your conclusions

Read more about abstracts

The table of contents lists all of your chapters, along with corresponding subheadings and page numbers. This gives your reader an overview of your structure and helps them easily navigate your document.

Remember to include all main parts of your dissertation in your table of contents, even the appendices. It’s easy to generate a table automatically in Word if you used heading styles. Generally speaking, you only include level 2 and level 3 headings, not every subheading you included in your finished work.

Read more about tables of contents

While not usually mandatory, it’s nice to include a list of figures and tables to help guide your reader if you have used a lot of these in your dissertation. It’s easy to generate one of these in Word using the Insert Caption feature.

Read more about lists of figures and tables

Similarly, if you have used a lot of abbreviations (especially industry-specific ones) in your dissertation, you can include them in an alphabetized list of abbreviations so that the reader can easily look up their meanings.

Read more about lists of abbreviations

In addition to the list of abbreviations, if you find yourself using a lot of highly specialized terms that you worry will not be familiar to your reader, consider including a glossary. Here, alphabetize the terms and include a brief description or definition.

Read more about glossaries

The introduction serves to set up your dissertation’s topic, purpose, and relevance. It tells the reader what to expect in the rest of your dissertation. The introduction should:

  • Establish your research topic , giving the background information needed to contextualize your work
  • Narrow down the focus and define the scope of your research
  • Discuss the state of existing research on the topic, showing your work’s relevance to a broader problem or debate
  • Clearly state your research questions and objectives
  • Outline the flow of the rest of your work

Everything in the introduction should be clear, engaging, and relevant. By the end, the reader should understand the what, why, and how of your research.

Read more about introductions

A formative part of your research is your literature review . This helps you gain a thorough understanding of the academic work that already exists on your topic.

Literature reviews encompass:

  • Finding relevant sources (e.g., books and journal articles)
  • Assessing the credibility of your sources
  • Critically analyzing and evaluating each source
  • Drawing connections between them (e.g., themes, patterns, conflicts, or gaps) to strengthen your overall point

A literature review is not merely a summary of existing sources. Your literature review should have a coherent structure and argument that leads to a clear justification for your own research. It may aim to:

  • Address a gap in the literature or build on existing knowledge
  • Take a new theoretical or methodological approach to your topic
  • Propose a solution to an unresolved problem or advance one side of a theoretical debate

Read more about literature reviews

Theoretical framework

Your literature review can often form the basis for your theoretical framework. Here, you define and analyze the key theories, concepts, and models that frame your research.

Read more about theoretical frameworks

Your methodology chapter describes how you conducted your research, allowing your reader to critically assess its credibility. Your methodology section should accurately report what you did, as well as convince your reader that this was the best way to answer your research question.

A methodology section should generally include:

  • The overall research approach ( quantitative vs. qualitative ) and research methods (e.g., a longitudinal study )
  • Your data collection methods (e.g., interviews or a controlled experiment )
  • Details of where, when, and with whom the research took place
  • Any tools and materials you used (e.g., computer programs, lab equipment)
  • Your data analysis methods (e.g., statistical analysis , discourse analysis )
  • An evaluation or justification of your methods

Read more about methodology sections

Your results section should highlight what your methodology discovered. You can structure this section around sub-questions, hypotheses , or themes, but avoid including any subjective or speculative interpretation here.

Your results section should:

  • Concisely state each relevant result together with relevant descriptive statistics (e.g., mean , standard deviation ) and inferential statistics (e.g., test statistics , p values )
  • Briefly state how the result relates to the question or whether the hypothesis was supported
  • Report all results that are relevant to your research questions , including any that did not meet your expectations.

Additional data (including raw numbers, full questionnaires, or interview transcripts) can be included as an appendix. You can include tables and figures, but only if they help the reader better understand your results. Read more about results sections

Your discussion section is your opportunity to explore the meaning and implications of your results in relation to your research question. Here, interpret your results in detail, discussing whether they met your expectations and how well they fit with the framework that you built in earlier chapters. Refer back to relevant source material to show how your results fit within existing research in your field.

Some guiding questions include:

  • What do your results mean?
  • Why do your results matter?
  • What limitations do the results have?

If any of the results were unexpected, offer explanations for why this might be. It’s a good idea to consider alternative interpretations of your data.

Read more about discussion sections

Your dissertation’s conclusion should concisely answer your main research question, leaving your reader with a clear understanding of your central argument and emphasizing what your research has contributed to the field.

In some disciplines, the conclusion is just a short section preceding the discussion section, but in other contexts, it is the final chapter of your work. Here, you wrap up your dissertation with a final reflection on what you found, with recommendations for future research and concluding remarks.

It’s important to leave the reader with a clear impression of why your research matters. What have you added to what was already known? Why is your research necessary for the future of your field?

Read more about conclusions

It is crucial to include a reference list or list of works cited with the full details of all the sources that you used, in order to avoid plagiarism. Be sure to choose one citation style and follow it consistently throughout your dissertation. Each style has strict and specific formatting requirements.

Common styles include MLA , Chicago , and APA , but which style you use is often set by your department or your field.

Create APA citations Create MLA citations

Your dissertation should contain only essential information that directly contributes to answering your research question. Documents such as interview transcripts or survey questions can be added as appendices, rather than adding them to the main body.

Read more about appendices

Making sure that all of your sections are in the right place is only the first step to a well-written dissertation. Don’t forget to leave plenty of time for editing and proofreading, as grammar mistakes and sloppy spelling errors can really negatively impact your work.

Dissertations can take up to five years to write, so you will definitely want to make sure that everything is perfect before submitting. You may want to consider using a professional dissertation editing service , AI proofreader or grammar checker to make sure your final project is perfect prior to submitting.

After your written dissertation is approved, your committee will schedule a defense. Similarly to defending your prospectus, dissertation defenses are oral presentations of your work. You’ll present your dissertation, and your committee will ask you questions. Many departments allow family members, friends, and other people who are interested to join as well.

After your defense, your committee will meet, and then inform you whether you have passed. Keep in mind that defenses are usually just a formality; most committees will have resolved any serious issues with your work with you far prior to your defense, giving you ample time to fix any problems.

As you write your dissertation, you can use this simple checklist to make sure you’ve included all the essentials.

Checklist: Dissertation

My title page includes all information required by my university.

I have included acknowledgements thanking those who helped me.

My abstract provides a concise summary of the dissertation, giving the reader a clear idea of my key results or arguments.

I have created a table of contents to help the reader navigate my dissertation. It includes all chapter titles, but excludes the title page, acknowledgements, and abstract.

My introduction leads into my topic in an engaging way and shows the relevance of my research.

My introduction clearly defines the focus of my research, stating my research questions and research objectives .

My introduction includes an overview of the dissertation’s structure (reading guide).

I have conducted a literature review in which I (1) critically engage with sources, evaluating the strengths and weaknesses of existing research, (2) discuss patterns, themes, and debates in the literature, and (3) address a gap or show how my research contributes to existing research.

I have clearly outlined the theoretical framework of my research, explaining the theories and models that support my approach.

I have thoroughly described my methodology , explaining how I collected data and analyzed data.

I have concisely and objectively reported all relevant results .

I have (1) evaluated and interpreted the meaning of the results and (2) acknowledged any important limitations of the results in my discussion .

I have clearly stated the answer to my main research question in the conclusion .

I have clearly explained the implications of my conclusion, emphasizing what new insight my research has contributed.

I have provided relevant recommendations for further research or practice.

If relevant, I have included appendices with supplemental information.

I have included an in-text citation every time I use words, ideas, or information from a source.

I have listed every source in a reference list at the end of my dissertation.

I have consistently followed the rules of my chosen citation style .

I have followed all formatting guidelines provided by my university.

Congratulations!

The end is in sight—your dissertation is nearly ready to submit! Make sure it's perfectly polished with the help of a Scribbr editor.

If you’re an educator, feel free to download and adapt these slides to teach your students about structuring a dissertation.

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how many chapters for phd

  • How Long Is a PhD Thesis?
  • Doing a PhD

It’s no secret that one of the most challenging aspects of a PhD degree is the volume of work that goes into writing your thesis . So this raises the question, exactly how long is a thesis?

Unfortunately, there’s no one size fits all answer to this question. However, from the analysis of over 100 PhD theses, the average thesis length is between 80,000 and 100,000 words. A further analysis of 1000 PhD thesis shows the average number of pages to be 204 . In reality, the actual word count for each PhD thesis will depend on the specific subject and the university it is being hosted by. This is because universities set their own word length requirements, with most found to be opting for around 100,000.

To find out more about how these word limits differ between universities, how the average word count from STEM thesis differ from non-STEM thesis and a more detailed breakdown from the analysis of over 1000 PhDs, carry on reading the below.

Word Count Differences Between Universities

For any PhD student writing a thesis, they will find that their document will be subject to a word limit set by their university. In nearly all cases, the limit only concerns the maximum number of words and doesn’t place any restrictions on the minimum word limit. The reason for this is that the student will be expected to write their thesis with the aim of clearly explaining their research, and so it is up to the student to determine what he deems appropriate.

Saying this, it is well accepted amongst PhD students and supervisors that the absence of a lower limit doesn’t suggest that a thesis can be ‘light’. Your thesis will focus on several years worth of original research and explore new ideas, theories or concepts. Besides this, your thesis will need to cover a wide range of topics such as your literature review, research methodology, results and conclusion. Therefore, your examiners will expect the length of your thesis to be proportional to convey all this information to a sufficient level.

Selecting a handful of universities at random, they state the following thesis word limits on their website:

  • University of Edinburgh: 100,000
  • University of Exeter: 100,000
  • University of Leister: 80,000
  • University of Bath: 80,000
  • University of Warwick: 70,000

The above universities set upper word limits that apply across the board, however, some universities, such as the University of Birmingham and the University of Sheffield, set different word limits for different departments. For example, the University of Sheffield adopts these limits:

  • Arts & Humanities: 75,000
  • Medicine, Dentistry & Health: 75,000
  • Science: 80,000
  • Social Sciences: 75,000-100,000

Although there’s a range of limit, it’s safe to say that the majority fall within the 80,000 to 100,000 bracket.

Word Count Based on Data from past Theses

A poll of 149 postdocs.

In mid-2019, Dr Eva Lantsoght, a published author, academic blogger and Structural Engineering Professor, conducted a poll which asked postgraduate doctoral students to share the length of their final thesis. 149 PostDoc students responded to the survey, with the majority reporting a length falling within the ‘80,000 – 120,000 words’ bracket as seen below.

DiscoverPhDs_How-long-is-a-PhD-Thesis_Poll

Analysis of 1000 PhD Theses

Over a three-year time period, Dr Ian Brailsford, a then Postgraduate Learning Adviser at the University of Auckland, analysed 1000 doctoral thesis submitted to his university’s library. The PhD theses which formed the basis of his analysis were produced between 2008 to 2017 and showed:

  • Average number of pages = 204
  • Median number of pages = 198
  • Average number of chapters = 7.6

We should note that the above metrics only cover the content falling within the main body of the thesis. This includes the introduction, literature review, methods section, results chapter, discussions and conclusions. All other sections, such as the title page, abstract, table of contents, acknowledgements, bibliography and appendices were omitted from the count.

Although it’s impossible to draw the exact word count from the number of pages alone, by using the universities recommended format of 12pt Times New Roman and 1.5 lines spacing, and assuming 10% of the main body are figures and footnotes, this equates to an average main body of 52,000 words.

STEM vs Non-STEM

As part of Dr Ian Brailsford’s analysis, he also compared the length of STEM doctorate theses to non-STEM theses. He found that STEM theses tended to be shorter. In fact, he found STEM theses to have a medium page length of 159 whilst non-STEM theses had a medium of around 223 pages. This is a 40% increase in average length!

Can You Exceed the Word Count?

Whilst most universities will allow you to go over the word count if you need to, it comes with the caveat that you must have a very strong reason for needing to do so. Besides this, your supervisor will also need to support your request. This is to acknowledge that they have reviewed your situation and agree that exceeding the word limit will be absolutely necessary to avoid detriment unnecessary detriment to your work.

This means that whilst it is possible to submit a thesis over 100,000 words or more, it’s unlikely that your research project will need to.

How Does This Compare to a Masters Dissertation?

The average Masters dissertation length is approximately 20,000 words whilst a thesis is 4 to 5 times this length at approximately 80,000 – 100,000.

The key reason for this difference is because of the level of knowledge they convey. A Master’s dissertation focuses on concluding from existing knowledge whilst a PhD thesis focuses on drawing a conclusion from new knowledge. As a result, the thesis is significantly longer as the new knowledge needs to be well documented so it can be verified, disseminated and used to shape future research.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

Related Reading

Unfortunately, the completion of your thesis doesn’t mark the end of your degree just yet. Once you submit your thesis, it’s time to start preparing for your viva – the all-to-fun thesis defence interview! To help you prepare for this, we’ve produced a helpful guide which you can read here: The Complete Guide to PhD Vivas.

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Structuring your thesis

Time spent thinking about and planning how you will structure your thesis is time well spent. Start to organise the material that you have already written into folders relating to each chapter. The following techniques may help you to decide upon a structure.

  • Discuss the structure with a colleague, explaining it as a continuous story you're trying to write 
  • Use visual techniques like mind-mapping
  • Create a storyboard for your thesis. This tells the ‘story' of the thesis in a small number of panels that mix text and pictures
  • Sort index cards with key ideas into a coherent structure
  • Use post-it notes with key ideas on a whiteboard to make connections with lines and colours.

Analysing existing theses is a good starting point to get an idea of typical structures in your field. Theses will usually contain most or all of the following sections:

  • Acknowledgements
  • Contents page(s)
  • Introduction
  • Literature review (sometimes within the introduction)
  • Materials/sources and methods (can be part of every chapter if these are different per chapter)
  • Themed topic chapters
  • Discussion or Findings
  • Conclusions
  • Your publications

Once a rough structure is sketched out, it is a good idea to assign each chapter a likely word length and, if possible, a deadline for a first draft.

Writing preferences

People have different preferences in terms of writing. Think about the approach that will work best for you. For example here are two examples of writing preferences. 

Planning writers tend to have a highly structured approach to writing and if this is your approach you may find the following tips helpful.

  • Under each chapter heading define a series of sections
  • Break these into sub-sections and keep breaking these down until you are almost at the paragraph level
  • You can now work methodically through this set of short sections
  • Check completed sections or chapters agree with your plan

Generative writers prefer to g et ideas down on paper and then organise them afterwards. If this approach suits you try the following approach.

  • Choose a chapter and just start typing
  • Then you need to do some work to impose a structure
  • Summarise each paragraph as a bullet point
  • Use this summary to gain an overview of the structure
  • Re-order the writing and strengthen the structure by adding sub-headings and revising what you have written to make the argument clearer

Reviewing your structure

As your research and writing develop you will want to revise and rework your structure. Try to review do this on a regular basis and amend plans for future chapters as you become more aware of what the thesis must contain.

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Easily understand how to write a PhD thesis introduction

Feb 26, 2019

how to write an introduction

Have you checked out the rest of  The PhD Knowledge Base ? It’s home to hundreds more free resources and guides, written especially for PhD students. 

Get the introduction right and the rest of your dissertation will follow. 

Image of a introduction chapter cheat sheet with the text 'click here to download'

What is the purpose of a PhD thesis introduction?

1. establish your research territory (by situating your research in a broader context), 2. establish and justify your niche (by describing why your research is needed) , 3. explain the significance of your research (by describing how you conducted the research).

  • What your thesis is about
  • Why it is important
  • How it was conducted
  • How it is laid out
The introduction as a whole should outline the significance and relevance of the thesis. The main criteria for a PhD is its role as an original contribution to knowledge, so the introduction is the space in which you very clearly outline that contribution.

How to structure an PhD thesis introduction

A typical PhD thesis introduction follows the following format:

  • Introduction to the introduction: a short version (of only a few paragraphs) of the thesis’ aims, research questions, contribution, objectives and findings.
  • State the overarching topic and aims of the thesis in more detail Provide a brief review of the literature related to the topic (this will be very brief if you have a separate literature review chapter)
  • Define the terms and scope of the topic
  • Critically evaluate the current state of the literature on that topic and identify your gap
  • Outline why the research is important and the contribution that it makes
  • Outline your epistemological and ontological position
  • Clearly outline the research questions and problem(s) you seek to address
  • State the hypotheses (if you are using any)
  • Detail the most important concepts and variables
  • Briefly describe your methodology
  • Discuss the main findings
  • Discuss the layout of the thesis

Much like the abstract, the reader shouldn’t have to wait long before they understand the contribution, what you are doing and how you are doing it. So, you’ll start by presenting your research in a clear, concise way in the opening few paragraphs. These opening paragraphs should briefly summarise the aims, objectives, research questions, main argument and contribution.

The reader shouldn’t have to wait long before they understand the contribution, what you are doing and how you are doing it.

A useful exercise here is to try and write the core elements of an introduction on a Post-it note. Keep trying until they fit. When they do, use that as the basis for these first few paragraphs. This is the same technique you use when filling out the PhD Writing Template .

As you go through the chapter, you will dial down into more and more detail. That means that the next stage, after the first few paragraphs, is to provide some context (steps 2-10 above).

Here you provide all the detail necessary to situate the study and make sense of the opening few paragraphs.

But, there are two things to bear in mind.

You will need to ease into the detail gently. Don’t launch straight from your opening paragraphs into huge amounts of detail. Follow the order of the 13 steps above and you will gradually ease into your discussion.

The danger of presenting too much information too soon is that you will confuse the reader. They will struggle to understand how the information you present is relevant and will struggle to understand how it relates to your thesis aims and objectives.  

Simply follow the steps above.

You need to bear in mind that the level of detail you will go into (and therefore the length of the introduction) depends on the structure of your thesis.

If you have a standalone literature review, you will go into less detail about the current state of the literature and the gaps within it.

Similarly, if you have a dedicated theory chapter, you will not need to spend too much time on developing your theory framework.

The same is true for your methods.

The goal in any case is to present enough context to situate and make sense of your research questions but not overburden the reader with information that is superfluous to the goal of situating the research and which you will repeat at a later juncture anyhow.

how many chapters for phd

Your PhD thesis. All on one page.

Use our free PhD structure template to quickly visualise every element of your thesis. 

Common problems when writing your introduction

When we proofread PhDs , we see the same mistakes again and again.

Providing too much detail

There is a tendency to provide too much background information in the introduction. As we saw above, quite how much information you present in your thesis will depend on whether you have a standalone literature review or methods chapter. What you want to avoid is any unnecessary repetition.

Sometimes there is necessary repetition though. You need to present just enough information to contextualise your study and to be able to situate your aims, research questions an argument, but not too much that you end up confusing and bombarding the reader. Keep things simple here; it’s fine to overlook some of the more technical detail at this stage. Think of a newspaper article: the first couple of paragraphs provide a brief overview of the story. The detail comes later.

Not providing enough detail

On the flip side, some students don’t provide enough detail. The danger here is that the reader is left asking questions at the end of the introduction. Remember: they should be able to understand what your thesis is about, how it was conducted and why it is important just from reading the introduction. If you present too little detail then they won’t be able to. Read through your own introduction; is it clear what your contribution is and why it is important? If not, you haven’t got enough detail.

Launching into too much detail

Make sure you introduce gently. Don’t suddenly rush into lots of detail. Instead, you should make the aims, questions and contribution clear in the opening lines and then gradually layer on more detail. That way, the reader can keep up. Present too much detail too soon and the reader will become confused. The last place you want confusion is in the introduction; if the reader can’t follow your introduction, they won’t understand the thesis.

Not following a coherent structure so that the reader is left confused

Some students don’t follow a coherent logic when they write their introductions, which means that the reader is left confused.

For example, if you present too much background information and literature review before you outline the aim and purpose of the research, the reader will struggle to follow, because they won’t know why the background information is important.

The same is true if you discuss the methods before your research questions.

What we see often is important information being spread throughout the introduction in such a way that the reader has to hunt for it. Follow our layout guide above so that each piece of vital information is contained in its own mini section. Make your reader’s job as easy as possible.

Using too much technical language not properly defined

It’s more than likely that your research relies upon lots of technical terms, concepts and techniques. If you must talk about any of these in the introduction, be sure to offer clear and concise definitions. A failure to do so means that the reader is left confused.

Conducting a literature review

Unless you are explicitly avoiding a standalone literature review chapter, the introduction is not the place to review the literature. Sure, you will need to situate your study in a body of literature, but the introduction isn’t the place to critically discuss it or justify its inclusion in that literature. It’s enough to say that you will contribute to X body of literature and briefly discuss its core features and shortcomings. The literature review is the place to justify that decision and elaborate upon its features. Read our guide to writing literature reviews and our guide to being critical when you do so.

Finalising your thesis introduction

Once you have finished your thesis, ask yourself the following questions:

  • Does the first line of the introduction discuss the problem that your thesis is addressing and the contribution that it is making?
  • Does the introduction provide an overview of the thesis and end with a brief discussion on the content of each chapter?
  • Does the introduction make a case for the research?
  • Have the research questions/problems/hypotheses been clearly outlined (preferably early on)?

Now you know how to present your research as clearly and concisely as possible. Your reader (and examiner) will thank you, because they’ll be able to understand exactly what your study is about just from reading the introductory pages. Keep this guide to hand, whatever stage of the writing process you are at.

Have you downloaded our free one page PhD Writing Template ? It’s a really effective way to visualise your entire thesis on one page.

If you’re still struggling to structure your introduction, or you need any other support as you write your thesis, check out our  one-on-one PhD coaching . It’s like having a personal trainer, but for your PhD. 

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12 comments.

King's sister

I was struggling with writing the introduction chapter. Really had no idea on how to organise my ideas. Completely lost and desolate. I have no one to encourage or support me. I prayed to God to give me knowledge and wisdom and guide me. After a while I found this site. Praise the Lord. I can’t thank u enough for addressing exactly what’s in my mind. Thank you. Glory be to God for directing me to this site.

Dr. Max Lempriere

All we aim to do here is to make life a little bit easier for PhD students. I know how hard I found it when I was completing mine, so I want to give something back to the community. I’m so pleased you found it useful. Good luck with writing up. If you need any support or if you have any questions at all, email me: [email protected]

reginald

Thank you very very much for your information it is resourceful. I was having a problem how to start my introduction.

It’s great to hear you found it useful. Thanks!

lilpam

Hey, this is so useful thankyou! I’m wondering does this apply broadly to all PhD’s including humanities?

Yep – it sure does.

Bless

I found this piece of information helpful. I am preparing for my proposal defense in two weeks and needed to refine my introduction. Thank you very much. God bless you richly. I wish we can have a skype conversation.

Thank you again.

Jennifer Andleeb

thank you, learned from this

Elle

Your advice and guidance has become my constant companion in what has been a very stressful time. You write with empathy and understanding. What a wonderful job you are doing for those of us who are too proud to seek advice and support from supervisors or colleagues. Sincerest thanks for taking the loneliness out of writing.

Such nice words. Thank you so much.

Nora Ovadia

this is really useful!!!

Thanks Nora! I’m glad you found it useful.

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Writing a Postgraduate or Doctoral Thesis: A Step-by-Step Approach

  • First Online: 01 October 2023

Cite this chapter

how many chapters for phd

  • Usha Y. Nayak 4 ,
  • Praveen Hoogar 5 ,
  • Srinivas Mutalik 4 &
  • N. Udupa 6  

1123 Accesses

1 Citations

A key characteristic looked after by postgraduate or doctoral students is how they communicate and defend their knowledge. Many candidates believe that there is insufficient instruction on constructing strong arguments. The thesis writing procedure must be meticulously followed to achieve outstanding results. It should be well organized, simple to read, and provide detailed explanations of the core research concepts. Each section in a thesis should be carefully written to make sure that it transitions logically from one to the next in a smooth way and is free of any unclear, cluttered, or redundant elements that make it difficult for the reader to understand what is being tried to convey. In this regard, students must acquire the information and skills to successfully create a strong and effective thesis. A step-by-step description of the thesis/dissertation writing process is provided in this chapter.

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Nayak, U.Y., Hoogar, P., Mutalik, S., Udupa, N. (2023). Writing a Postgraduate or Doctoral Thesis: A Step-by-Step Approach. In: Jagadeesh, G., Balakumar, P., Senatore, F. (eds) The Quintessence of Basic and Clinical Research and Scientific Publishing. Springer, Singapore. https://doi.org/10.1007/978-981-99-1284-1_48

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A STRUCTURED APPROACH TO PRESENTING PhD THESES: NOTES FOR CANDIDATES AND THEIR SUPERVISORS

Acknowledgments, introduction.

  • cover a field which fascinates the candidate sufficiently for him or her to endure years of hard and solitary work;
  • build on the candidate's previous studies, for example, his or her course work in a Master's degree;
  • be in an area of `warm' research activity rather than in a `cold', overworked area or in a `hot', too-competitive, soon-to-be extinguished area;
  • be in an area near the main streams of a discipline and not at the margins of a discipline or straddling two disciplines - being near the main streams makes it easier to find thesis examiners, to gain academic positions, and to get acceptance of journal articles about the research;
  • be manageable, producing interesting results and a thesis in the shortest time possible;
  • have accessible sources of data;
  • open into a program of research projects after the PhD is completed; and
  • provide skills and information for obtaining a job in a non-research field, if a research or academic job is not available or not desired.
  • How should PhD candidates and their supervisors present the thesis?
  • a distinct contribution to a body of knowledge through an original investigation or testing of ideas, worthy in part of publication (see chapter 5 described below) -this is usually the most important criterion for a PhD;
  • competence in research processes, including an understanding of, and competence in, appropriate research techniques and an ability to report research (see chapters 3 and 4, plus the whole report format); and
  • mastery of a body of knowledge , including an ability to make critical use of published work and source materials (see chapter 2) with an appreciation of the relationship of the special theme to the wider field of knowledge (see chapters 2 and 5).

BASICS OF STRUCTURE AND STYLE

  • the research problem and hypotheses arising from the body of knowledge developed during previous research (chapter 2),
  • methods used in this research to collect data about the hypotheses (chapter 3),
  • results of applying those methods in this research (chapter 4), and
  • conclusions about the hypotheses and research problem based on the results of chapter 4, including their place in the body of knowledge outlined previously in chapter 2 (chapter 5).

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IMAGES

  1. 1. Overview of the chapters in this PhD thesis

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  3. What is a PhD Dissertation and How to Structure it?

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  4. How to emphasize the thesis introduction chapter from the rest of the

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  6. Essay Writing Center: Phd thesis organisation

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COMMENTS

  1. Dissertation Structure & Layout 101 (+ Examples)

    The core chapters (the "meat" of the dissertation) Chapter 1: Introduction; Chapter 2: Literature review; Chapter 3: Methodology; Chapter 4: Results; Chapter 5: Discussion; Chapter 6: Conclusion; Reference list; Appendix; Most importantly, the core chapters should reflect the research process (asking, investigating and answering your ...

  2. PhD Thesis

    The PhD thesis is the most important part of a doctoral degree. This page will introduce you to what you need to know about the PhD dissertation. ... How many chapters should a PhD thesis have? There's no hard and fast rule for the numbers of chapters in a PhD thesis, but most will have four or five chapters (in addition to the introduction ...

  3. Tips for writing a PhD dissertation: FAQs answered

    A PhD thesis (or dissertation) is typically 60,000 to 120,000 words ( 100 to 300 pages in length) organised into chapters, divisions and subdivisions (with roughly 10,000 words per chapter) - from introduction (with clear aims and objectives) to conclusion. The structure of a dissertation will vary depending on discipline (humanities, social ...

  4. How to plan, structure and write every chapter in your PhD

    A Template To Help You Structure Your PhD's Theoretical Framework Chapter. In this guide, I explain how to use the theory framework template. The focus is on the practical things to consider when you're working with the template and how you can give your theory framework the rockstar treatment. Use our free tools, guides and templates to ...

  5. How To Structure A PhD Thesis

    Respect the word limit. Don't be vague - the abstract should be a self-contained summary of the research, so don't introduce ambiguous words or complex terms. Focus on just four or five essential points, concepts, or findings. Don't, for example, try to explain your entire theoretical framework. Edit it carefully.

  6. Know How to Structure Your PhD Thesis

    The bottom line is that how to structure a PhD thesis often depends on your university and department guidelines. But, let's take a look at a general PhD thesis format. We'll look at the main sections, and how to connect them to each other. We'll also examine different hints and tips for each of the sections.

  7. How to write a PhD thesis: a step-by-step guide

    It often starts with "But", "Yet" or "However". The third sentence says what specific research has been done. This often starts with "This research" or "I report…". The fourth sentence reports the results. Don't try to be too tricky here, just start with something like: "This study shows," or "Analysis of the data ...

  8. PDF Guidelines for The PhD Dissertation

    Most dissertations are 100 to 300 pages in length. All dissertations should be divided into appropriate sections, and long dissertations may need chapters, main divisions, and even subdivisions. Students should keep in mind that GSAS and many departments deplore overlong and wordy dissertations.

  9. What Is a Dissertation?

    A dissertation is a long-form piece of academic writing based on original research conducted by you. It is usually submitted as the final step in order to finish a PhD program. Your dissertation is probably the longest piece of writing you've ever completed. It requires solid research, writing, and analysis skills, and it can be intimidating ...

  10. What Is a PhD Thesis?

    The typical PhD thesis structure will contain four chapters of original work sandwiched between a literature review chapter and a concluding chapter. There is no universal rule for the length of a thesis, but general guidelines set the word count between 70,000 to 100,000 words .

  11. The Dissertation: Chapter Breakdown

    Dissertation OverviewThe traditional dissertation is organized into 5 chapters and includes the following elements and pages:Title page (aka cover page) Signature ...

  12. How Long Is a PhD Thesis?

    Unfortunately, there's no one size fits all answer to this question. However, from the analysis of over 100 PhD theses, the average thesis length is between 80,000 and 100,000 words. A further analysis of 1000 PhD thesis shows the average number of pages to be 204. In reality, the actual word count for each PhD thesis will depend on the ...

  13. Structuring your thesis

    The following techniques may help you to decide upon a structure. Create a storyboard for your thesis. This tells the 'story' of the thesis in a small number of panels that mix text and pictures. Use post-it notes with key ideas on a whiteboard to make connections with lines and colours. Analysing existing theses is a good starting point to ...

  14. Easily understand how to write a PhD thesis introduction

    An effective PhD thesis introduction does three things: 1. Establish your research territory (by situating your research in a broader context) One of the first things the introduction should do is to provide general statements that outline the importance of the topic and provide enough background information so that the reader can understand ...

  15. The Dissertation

    A typical dissertation runs between 250 and 300 pages, divided into four or five chapters, often with a short conclusion following the final full-scale chapter.There is no set minimum or maximum length, but anything below about 225 pages will likely look insubstantial in comparison to others, while anything over 350 pages may suggest a lack of proportion and control of the topic, and would ...

  16. PDF PhD by Publication

    1.1 What is a PhD/MD by Publication? Many doctoral candidates choose to write their thesis as a monograph. According to Parkin1, a monograph thesis is written by a single author, aimed at fulfilling degree requirements. ... chapters, the thesis would also normally include: i) an introductory chapter to provide a literature review setting the ...

  17. PDF Writing up your PhD (Qualitative Research)

    3 The Methodology Chapter 29-37 . 4 The Data Chapters 38-54 . 5 The Final Chapter 55-73 . 6 The First Few Pages 74-83 ... About the course . Who is the course for? This is for PhD students working on a qualitative thesis who have completed their data collection and analysis and are at the stage of writing up. The materials should also be useful ...

  18. Examples of thesis and chapter formats when including publications

    Example 1 Example 2 Example 3 Example 4 Example 5. Chapter 1: Introduction. Chapter 2: Literature review. Chapter 3: Methods. Chapter 4: Paper 1 & general discussion. Chapter 5: Paper 2. Chapter 6: Regular thesis chapter - results. Chapter 7: Regular thesis chapter/general discussion tying in published and unpublished work.

  19. Writing a Postgraduate or Doctoral Thesis: A Step-by-Step ...

    Writing a Postgraduate or Doctoral Thesis: A Step-by-Step Approach. Chapter. First Online: 01 October 2023. pp 769-781. Cite this chapter. Download book PDF. Download book EPUB. The Quintessence of Basic and Clinical Research and Scientific Publishing. Usha Y. Nayak,

  20. How many chapters (objectives) are necessary for a standard Ph.D

    Four to five chapters are enough for PhD. thesis, which includes introduction, literature review, methodology, results and conclusions. Cite. Andrew Paul McKenzie Pegman. University of Auckland ...

  21. STRUCTURED APPROACH TO PRESENTING PhD THESES

    A five chapter structure can be used to effectively present a PhD thesis, and it is summarised in figure 1 and table 1. Figure 1 Model of the chapters of a PhD thesis. In brief, the thesis should have a unified structure (Easterby-Smith et al. 1991).

  22. r/PhD on Reddit: How many chapters did you (or do ) have in your

    And even with the science chapters, I could do each paper is one chapter or I could split it. So minimum is going to be 6 (intro, code, science 1, discussion 1, science 2, discussion 2, conclusion) but could be more.

  23. PhD Thesis Structure

    8/1/1997, JF. Keywords: PhD, outline, structure People's comments (These will be summarised as soon as I have time) Chris Clack There is a book that I found useful in that it analyses different styles of rhetoric and presentation: Designs In Prose Walter Nash Published by Longman, 1980 ISBN -582-29101-1 When he wrote this book, Walter Nash was a senior lecturer in English at the University of ...

  24. 55 Things to Know About Tim Walz, Kamala Harris' Pick for VP

    He was the faculty adviser for the school's first gay-straight alliance chapter in 1999. 16. Walz, 60, has drawn criticism for appearing older than his age.