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Literature Reviews

What is a Literature Review?

  • A summary and analysis of existing research on your topic.
  • Shows what is already known and how studies connect.
  • Helps identify gaps or unanswered questions in the research.

Why is a Literature Review Important?

  • Provides a solid evidence base for your research.
  • Helps you avoid repeating work already done.
  • Highlights where new research is needed and shows your understanding of the field.

When You Will Need One

  • Essays and research papers
  • Theses and dissertations
  • Project proposals and reports

Types of Literature Reviews

Different review types serve different purposes. Expand the sections below to learn more.

A general summary and interpretation of the existing literature on a topic, often used to provide background or context. It is not systematic and may be selective.

A structured and comprehensive review that follows a strict method to identify, select and analyse all relevant studies on a specific question. It aims to minimise bias.

Explores the breadth of literature on a broad topic to map key concepts, types of evidence, and gaps in research. It’s less detailed than a systematic review.

A type of systematic review that uses statistical methods to combine results from multiple studies to find overall trends or effects.

Combines findings from qualitative studies to build new interpretations or theories, rather than just summarising them.

Brings together diverse types of research, quantitative and qualitative, to provide a comprehensive understanding of a topic.

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