Conducting a Literature Review in Health Research: Basics of the Approach, Typology and Methodology
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Abstract
Background: Literature reviews play a significant role in healthcare practice. There are different types of reviews available depending on the nature of the research question and the extent of reviewing that is conducted. In this article, we have summarized the major types of literature reviews, their strength and weakness, and provide representative examples. Methods: We have examined the different types of common reviews that have been used in the health research literature. We collected the information on these review types and have summarized them with providing corresponding examples. Results: We have discussed the major types of reviews: literature review, critical review, scoping review, systematic review, meta-analysis, qualitative systematic review, realist review, and review of reviews. We have mentioned the usability, strengths and weaknesses, utilizing the Search, Appraisal, Synthesis, Analysis (SALSA) framework, and have provided corresponding examples for each of these types of reviews in different tables. Conclusion: This article is a summary of different types of reviews and their implication in practice. This paper is thus intended for beginners who want to know about literature reviews.