Thesis Introduction Writing Guide | Research Background, Problem Statement, and Introduction Framework

What this page helps you do first

• Introduction four-step method: background → current state → gap → problem
• Research background development logic and word allocation
• Core differences between introduction and abstract

Core function and writing purpose of introductions

The introduction is the first chapter of the thesis, serving as an "opening statement"—explaining to readers why this research is worth doing, how it was approached, and what contributions are expected. A good introduction allows reviewers to immediately judge the academic value and research logic after reading the opening.

The introduction is not a simple expansion of the literature review but a problem-oriented focused discussion. It needs to answer three core questions: how far has research in this field progressed? What unresolved problems still exist? How does your research fill this gap?

Introduction four-step method: background → current state → gap → problem

• Step 1—Research Background: explain the macro environment and importance of the research, such as national policy direction, industry development trends, social practical needs. Use concise and powerful language, enhance persuasion with data or policies
• Step 2—Current State (Literature Review): sort out existing research results and methods in the field, evaluate contributions and shortcomings of previous research. Note this is evaluative synthesis, not simple listing
• Step 3—Research Gap: clearly point out unresolved mysteries or disputes in previous research—this is the "soul" of the introduction, providing justification for your research necessity
• Step 4—Research Questions and Purpose: extract specific research questions or hypotheses from the research gap, clarify this paper's research purpose

Research background development logic and writing techniques

• Macro to micro: introduce the big picture first (industry trends), then focus on the specific research area, finally arriving at the specific research question
• Use data support: data from policy documents, industry development reports, statistical yearbooks enhance background persuasiveness
• Avoid overly lengthy backgrounds: research background typically occupies 30-40% of the introduction; excessive background causes top-heaviness
• Cite authoritative literature: citing high-quality literature (core journals, top conferences) in the current state elevates overall academic tone

Common problems in research current state reviews and improvement methods

• Problem 1: Listing rather than evaluating → Improvement: for each study, not only state "what was done" but also evaluate "what contribution was made" and "where are the shortcomings"
• Problem 2: Literature too outdated → Improvement: recent 3-5 year literature should dominate; classic literature retained but supplemented with latest developments
• Problem 3: Lacking classification logic → Improvement: organize by research theme, methodology, or conclusions rather than chronological listing
• Problem 4: Overly subjective evaluation of previous research → Improvement: critical reviews need literature basis; avoid absolute statements like "no research exists" or "completely unexplored"

How to accurately extract research gaps

• Method 1: Comparative analysis. Compare methods, samples, and conclusions of different researchers to find divergence points
• Method 2: Boundary exploration. Under what conditions do previous studies hold? Do they remain valid when extended to new contexts?
• Method 3: Methodological deficiencies. Is there room for improvement in the methodological design of existing research?
• Method 4: Application gaps. Have existing theories been applied to new practical domains?
• Research gap does not equal "nobody has done this" but rather "existing research has deficiencies or room for improvement in some aspect"

Core differences between introduction and abstract

• Different functions: abstract is a "miniature version" of the paper including purpose, methods, results, conclusions; introduction is the "opening statement" focusing on background setup and problem statement
• Different audiences: abstract is for general readers quick judgment; introduction is carefully read by reviewers during defense
• Content differences: abstract contains specific data and conclusions; introduction does not reveal specific results but raises questions and expected directions
• Length differences: introduction typically occupies 10-15% of thesis words; abstract typically 300-500 words

Frequently asked questions

Does the introduction need to include a literature review?

The introduction needs to include research current state review, but this is not equivalent to a complete literature review. The literature in the introduction focuses on literature directly related to your research question with limited space; an independent literature review chapter requires more systematic and comprehensive coverage of the research field.

Is it better to write more research background?

No. Research background length should match the importance of the research question. Excessive background dilutes the prominence of the research question, making it difficult for readers to quickly grasp the core. After completing the introduction draft, check whether the background can be covered in 1-2 pages.

How to avoid overly vague research gaps?

Research gaps need to be specific. Approach from these angles: applicability boundaries of existing research methods, boundary conditions of existing conclusions, theory-practice disconnects, differences in disciplinary perspectives. Avoid vague statements like "current research is insufficient" or "needs further exploration."

Are there special citation format requirements for introductions?

Citation format in introductions follows the same format as the main text (usually GB/T 7714 or APA format). Note that introductions should prioritize citing core journal literature and high-quality research results, avoiding large numbers of undergraduate theses or conference abstracts with lower reliability.

My advisor says the introduction lacks logic. How should I revise it?

Unclear logic usually occurs because the progressive relationship of background → current state → gap → problem is not well-structured. Suggest restructuring: first clarify what your research question is, then work backward—what premises are needed to solve this problem? What existing research and unresolved questions do these premises contain? This layer-by-layer progression helps clarify the introduction's logical chain.