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Literature Review: Introduction

This guide provides basic guidelines for researching and writing a literature review.

What is a Literature Review?

A literature review is a "summary of what is currently known about some issue or field on the basis of research evidence, and/or what lines of arguments there are in relation to that issue or field" (Hammersley, 2004, p. 577).

As a researcher, you should be familiar with the signifigant literature related to your topic so that you can provide an overview of the work on your topic or field of study. The literature may come from journal articles, books, government documents, reports or other documents. A literature review usually contains a summary, a synthesis or an analysis of the central arguments in the existing literature. 

For historians, a literature review is also known as a "historiographical essay."

Source

Hammersley, M. (2004). Literature review. In M. S. Lewis-Beck, A. Bryman & T. F. Liao (Eds.), The SAGE Encyclopedia of Social Science Research Methods (pp. 557-558). Thousand Oaks, CA: SAGE Publications, Inc.

Purpose

The purpose of a literature review is to:

  • Show how the topic has changed over time
  • Introduce seminal works and scholars in the field
  • Describe trends and themes in research findings
  • Identify gaps in the research
  • Outline contradictory findings in previous research
  • Point the way for further research

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