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Writing the Literature Review

Generally, the purpose of a literature review is to identify, synthesize, and analyze a published body of knowledge on a topic. A review may be an end in itself (a survey of what is known about a topic) or a preface to and rationale for engaging in primary research. A systematic review of literature makes transparent the criteria for including and excluding literature, primarily in the methods section. 

[Adapted by Lisha Storey from Elizabeth Tornquist's, From Proposal to Publication (1986)]