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Dissertations 9 min read Updated May 2026 Academic Teacher editorial team

How to Write a Dissertation Introduction

The dissertation introduction is the first substantive chapter your marker reads, and it does a great deal of heavy lifting. A strong introduction establishes the topic, justifies the research, states the aims and objectives, and maps what follows. Many UK students underestimate how structured this chapter needs to be - it is not simply a brief overview but a carefully crafted academic argument for why this research matters and how it will be conducted.

What belongs in a dissertation introduction

A standard UK dissertation introduction covers several distinct elements: background context, the research problem, a rationale for the study, aims and objectives, research questions or hypotheses, a brief overview of methodology, and a chapter-by-chapter outline. Not every university requires all of these in the same order, so always check your marking criteria first. The length typically ranges from 8 to 12 percent of your overall word count.

Starting with background and context

Begin by introducing the broader topic before narrowing to your specific research problem. Think of it as a funnel - you start wide and progressively focus. Use academic sources to ground your context rather than making unsupported general statements. Avoid opening with clichés such as 'In today's world…' or 'Since the dawn of time…'. Instead, open with a concrete claim, a statistic, or a scholarly observation that immediately signals academic intent.

Stating the research problem and rationale

After establishing context, identify the gap, problem, or unresolved question your dissertation addresses. This is your rationale - the 'why' behind the research. Be explicit: what is missing from existing literature, or what is contested or unclear? UK markers look for a clearly articulated justification. Avoid vague statements; use evidence from the literature to show the gap exists.

Aims, objectives and research questions

Your aim is the overarching purpose of the study stated as a single sentence. Your objectives are the specific, numbered steps you will take to achieve that aim - typically three to five. Research questions follow from the objectives and guide what you will actually investigate. These three elements must be logically consistent: your methodology, findings and conclusion should all directly answer your research questions and satisfy your objectives.

Methodology overview and chapter outline

Give a brief (one paragraph) indication of your methodological approach - qualitative, quantitative, or mixed - and explain why it suits the research problem. This section is not the full methodology chapter; it is a signpost. Close the introduction with a short chapter-by-chapter summary so the reader knows exactly what follows and why each chapter is included. This is sometimes called a 'chapter guide' or 'structure of the thesis' section.

Key tips

  • Write the introduction last - or at least revise it last - once the rest of the dissertation is complete.
  • Keep your aims and objectives on a separate sticky note while writing every other chapter; check alignment constantly.
  • Avoid the temptation to include literature review content in the introduction - save evaluation for Chapter 2.
  • Your research questions should be answerable with the data you have collected.
  • Use present tense for factual statements and past tense when describing what you did.

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