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CASRAI

How-to · Step-by-step

How to write a dissertation

Writing a dissertation is a long project best broken into stages — from choosing a focused topic through to editing and submitting the finished work.

CASRAI research-methods explainer — How to write a dissertation

The step most authors miss

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Step by step

How to do it

  1. 1.Choose a focused topic

    Settle on a specific, researchable question that genuinely interests you, fits your field, and is feasible in the time and with the resources available. Narrow a broad area into a precise problem, and check it has not already been exhaustively answered.

  2. 2.Write a proposal

    Set out the research problem, your aims and questions, a brief review of the literature, your intended methods, a timeline and any ethics considerations. The proposal secures supervisor and committee approval and becomes your working plan.

  3. 3.Review the literature

    Search systematically, read critically, and synthesise existing scholarship to map what is known and where the gap lies. The review grounds your study theoretically and justifies why your question is worth answering.

  4. 4.Design and justify your method

    Choose a research design and methods that fit your question, and explain why. Specify your participants or data, instruments, procedure and analysis plan, and obtain ethical approval before collecting anything.

  5. 5.Gather and analyse the data

    Collect your data following the approved plan, keeping careful records, then analyse it using the methods you set out. Let the analysis answer your research questions rather than searching for any significant result.

  6. 6.Write up the chapters

    Draft the methodology, results and discussion around your findings, then the introduction and conclusion. Write in stages rather than waiting for perfection, and revise with your supervisor’s feedback as you go.

  7. 7.Edit, proofread and format

    Revise for argument and structure first, then for clarity and concision, and finally proofread for grammar and typos. Format references and the whole document to the required style guide, and write the abstract last.

  8. 8.Submit

    Check your submission against the regulations — word count, formatting, declarations and deadlines — produce the required copies or files, and submit. For doctoral work, prepare next for the viva examination.

Common questions

FAQ

How long does it take to write a dissertation?+

It varies widely by level and design. An undergraduate or master’s dissertation is often written over a single term or across an academic year alongside other study, while doctoral work spans several years. The write-up itself is only part of it — topic selection, the proposal, literature review and data collection all take substantial time, so planning a realistic timeline early is essential.

Should I write the chapters in order?+

Not necessarily. Many writers draft the methodology and results first, because those follow directly from the work done, and write the introduction and abstract last, once the findings are clear. The literature review is often started early and refined throughout. Write whichever chapter you have the material for, and revise iteratively.

How important is the supervisor relationship?+

Very. Your supervisor guides the scope of the project, reviews drafts, and helps you avoid dead ends and methodological errors. Agree expectations early — how often you will meet, what feedback turnaround to expect, and how you will share drafts — and respond constructively to their comments. A strong working relationship is one of the best predictors of a smooth dissertation.

Referenced across the research world

University of Cambridge logoColumbia University logoUniversity of Edinburgh logoHarvard University logoUniversity of Oxford logoPrinceton University logoStanford School of Medicine logoUniversity College London logoORCID logoCrossref logoUniversity of Cambridge logoColumbia University logoUniversity of Edinburgh logoHarvard University logoUniversity of Oxford logoPrinceton University logoStanford School of Medicine logoUniversity College London logoORCID logoCrossref logo
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