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Conducting a Literature Review

Person studying, person on computerWhat is a Literature Review?

A literature review surveys, summarizes, critically analyzes, compares, and synthesizes multiple scholarly works, or published knowledge on a particular topic or specific subject area.

Literature can include peer-reviewed or scholarly  articles, books/ ebooks, conference proceedings, theses/ dissertations, documents published by governmental agencies and non-profit organizations, and other forms of gray literature.

Conducting a literature review is part of the research process and serves to establish a base of knowledge and overview of the principal works on a specific area of research as well as identify important themes, discoveries, areas of consensus and debate, changes over time, and provide a foundation for further research.

Goals of the Literature Review

A literature review may be written to:

  •     Synthesize past and current literature on a topic
  •     Identify a problem in a field of research  
  •     Show how the literature relates to one another
  •     Place your work in the the context of other related research

What kinds of sources require a Literature Review?

  •     A thesis or dissertation
  •     A grant proposal
  •     A research paper assigned in a course 
  •     An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

The following are common types of literature reviews:

Narrative or Traditional Review

The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

Systematic Review

The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find.

Meta-analysis

This type of review utilizes quantitative methods to combine the results of independent studies and synthesize summaries and conclusions which can be used to evaluate therapeutic effectiveness, plan new studies, etc.

Meta-synthesis

A meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic.

 

Further Reading on Different Types of Literature Reviews


Grant, M. J., & Booth, A. (2009). A typology of reviews: An analysis of 14 review types and associated methodologies. Health Information and Libraries Journal, 26(2), 91-108. doi:10.1111/j.1471-1842.2009.00848.x

Gough, D., Thomas, J., & Oliver, S. (2012). Clarifying differences between review designs and methods. Systematic Reviews, 1, 28. doi:10.1186/2046-4053-1-28

Recommended Reading

The library has a number of books on conducting and writing literature reviews. The following are some recommended ebooks available in the library:

Books on Conducting Systematic Literature Reviews: