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How to Write a Dissertation, Chapter by Chapter

From a feasible research question to a submitted dissertation: proposal, chapter structure, word allocation, a realistic timeline and working well with your supervisor.

Updated October 2026 · 5 min read

To write a dissertation, choose a focused and feasible research question, plan it in a proposal, then write chapters that review the literature, explain your method, present findings and discuss what they mean.

A dissertation is longer and more independent than any essay. This page breaks the work into stages: question, proposal, chapters, word allocation, timeline and revision.

The Six Chapters Most Dissertations Share

Most empirical dissertations include an introduction, literature review, methodology, results or findings, discussion and conclusion. Humanities dissertations often use themed chapters instead, but still open with an introduction and close with a conclusion.

Always check your department handbook, which takes priority over any general model.

Choosing Your Research Question

Your question shapes everything else, so test it before committing. A good dissertation question has four qualities:

  • Specific: not "social media and politics" but "How did local councils in one region use social media to consult residents on housing plans?"
  • Original in context: it adds something, even if small, to existing knowledge.
  • Feasible: answerable with your time, word count, skills and access to data.
  • Significant: the answer matters to practice, policy or theory.

Run a scoping search. If many studies already answer your exact question, refine the angle. If you find almost nothing, the question may be too narrow or unclear.

The Proposal Stage

Most universities ask for a proposal before the dissertation proper. It sets out your question, the gap in the literature, your intended method, ethical issues, a timeline and key sources.

Treat it as a working plan rather than a hurdle. A clear proposal makes ethics approval smoother and gives your supervisor something concrete to respond to.

Dissertation Structure and Word Allocation

ChapterWhat it doesTypical share of words
IntroductionContext, problem, aims, research questions and chapter outlineAbout 10 percent
Literature reviewThematic synthesis of scholarship and the gap you address25 to 30 percent
MethodologyDesign, data collection, sampling, analysis, ethics and justification15 to 20 percent
Results or findingsWhat you found, organized by question or theme20 to 25 percent
DiscussionInterpretation, comparison with literature, implications and limitations20 to 25 percent
ConclusionDirect answers to the questions, contribution and future research5 to 8 percent

These shares are guides. Qualitative dissertations often merge findings and discussion, and humanities dissertations may divide the body by theme or period.

What Goes in Each Chapter

Introduction

Move from broad context to the specific problem and end with your aims and research questions. A short outline of the remaining chapters helps the reader navigate.

Literature Review

Organize by theme or debate, not source by source. Evaluate the studies, show where they agree and conflict, and finish by stating the gap your research fills.

Methodology

Explain what you did and why it suits your question better than alternatives. Cover design, participants or sources, data collection, analysis, ethics and how you addressed quality.

Results and Discussion

Present findings clearly with tables, figures or themes, then interpret them against the literature. Explain surprises honestly and note limitations without apologizing for the whole study.

Conclusion

Answer each research question directly, state your contribution and suggest specific future research. Introduce no new evidence.

Example: A Research Aim and Questions

Aim: To examine how small independent retailers in one city adapted their marketing after moving online.

Research questions:

1. Which online channels did retailers adopt, and why?

2. What barriers did owners describe when shifting their marketing online?

3. How did owners judge whether their online marketing was working?

Each question maps to a findings section and a part of the discussion. Clear questions like these make the whole dissertation easier to organize.

A Realistic Timeline

Most students underestimate how long a dissertation takes. For a six-month project, a workable plan looks like this:

  1. Months one and two: refine the question, write the proposal, read widely and draft the literature review.
  2. Month three: finalize the method, obtain ethics approval and begin data collection.
  3. Month four: finish data collection, start analysis and draft the methodology.
  4. Month five: complete analysis and draft results, discussion, introduction and conclusion.
  5. Month six: full draft to your supervisor, revisions, proofreading, formatting and submission.

Build in a buffer for ethics delays and recruitment problems. Writing a few hundred words most days is far more reliable than waiting for long, uninterrupted sessions.

Working with Your Supervisor

  • Agree how often you will meet and how you will send drafts.
  • Send specific questions with each draft, not just "any comments?".
  • Keep notes of each meeting and the actions agreed.
  • Act on feedback, or explain politely why you have taken a different view.

Dissertation Checklist Before Submission

  • The research questions are answered directly in the conclusion.
  • The literature review ends with a clear gap that the study addresses.
  • Every methodological choice is justified.
  • Findings are clearly presented and match the methods described.
  • Limitations are acknowledged honestly.
  • Citations, reference list, appendices and formatting follow the handbook.
  • The abstract summarizes aim, method, findings and contribution.

How EssayHorse Helps with Dissertations

Send your approved proposal, outline, guidelines, sources and supervisor feedback. A writer in your field drafts a custom chapter, such as a literature review or methodology, or edits your own draft for structure, argument and referencing, for you to study and build on. Writers never invent data or findings.

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Frequently Asked Questions

How long is a dissertation?

It varies by country, level and program. Undergraduate dissertations are often around 8,000 to 15,000 words and master's dissertations longer. Your handbook sets the exact limit.

What is the difference between a dissertation and a thesis?

The terms vary by country. In the UK, "dissertation" usually means an undergraduate or master's project and "thesis" a doctoral one; in the US the usage is often reversed.

Which chapter should I write first?

Many students start with the literature review or methodology, and write the introduction and conclusion last so they reflect the finished work.

How many sources does a dissertation need?

There is no fixed number, but a dissertation draws on far more sources than an essay. Focus on relevance and quality.

Do I need ethics approval?

If your research involves human participants or their data, you almost certainly do. Check your university's process early.

Can I change my research question?

Small refinements are normal. Discuss bigger changes with your supervisor, and update your proposal and chapters to match.