Goal
Many reviews have the goal of integrating and generalizinganalyze findings across units, treatments, outcomes, and settings; resolving a debate within a field; or bridging the language used across fields. A meta-analysis, for example, is a popular review technique whose primary goal is to integrate quantitative outcomes from various studies. generalizing other reviews may aim to critically examine previous research, identify key issues, or explain a line of argument within a field.
A dissertation review frequently has several goals. If the dissertation is merely a review, the author's primary concern may be integration, but critical analysis of the research, identification of key issues, or explanation of an argument may be required as well. If a dissertation author is using the literature review to justify additional research, the goal will be to critically analyze the literature, possibly identifying a weakness and proposing dissertation research to address that weakness. In either case, the author must include reviews to provide the reader with a complete picture. If integration were not used, the map of the research landscape would be as large as the research landscape itself.
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