Download An Introduction to Systematic Reviews PDF

ISBN-10: 1849201811

ISBN-13: 9781849201810

An advent to Systematic Reviews presents a brief, available and technically updated booklet protecting the entire breadth of techniques to reports from statistical meta research to meta ethnography. The content material is split into 5 major sections masking: methods to reviewing; getting began; amassing and describing learn; appraising and synthesizing information; and using studies and types of study use.

As systematic stories turn into integrated in lots of extra graduate-level classes this publication solutions the growing to be call for for a simple advisor.

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Extra resources for An Introduction to Systematic Reviews

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2005) Supporting arguments for restricting scope Assumptions about intervention effectiveness Included interventions regardless of their duration Only included interventions that ran for 12 weeks or more Short-term interventions are insufficient for lasting behaviour change (Review 2) Assumptions about intervention applicability Included interventions regardless of when they were evaluated Only included interventions evaluated from 1990 onwards Older studies are less relevant for current environment and context (Review 2) Priorities for intervention Interventions excluded if they targeted populations at high risk of increased body size Studies were included regardless of characteristics of participating children Initiatives are needed: Interventions judged ‘effective’ only if they reduced size as measured by BMI Interventions judged ‘effective’ if they reduced any body size measure Change in body mass index (BMI) is by far the most useful measure of intervention effects on body size (Review 1) Outcomes for judging ‘effectiveness’?

1 illustrates the wide range of ways in which subjectivity can act in a systematic review. This starts, but does not end, with the review’s question and design. The choice of review question depends on who is prepared to fund a review or reviews, who is prepared to invest their time in conducting a review, and what questions these people see as important. The subjectivity of the review team and any advisory input into the review is then also exercised in the design of the review and the review tools, as this necessarily rests on their substantive knowledge and experience.

The resources could, for example, be invested in a more extensive or more analytic map. Taking all of these issues together, reviews may vary in breadth and depth in terms of: •• breadth of question for map: narrow/broad •• breadth of question for synthesis: narrow/broad •• depth of search: scoping search that samples the literature, exhaustive search for unbiased aggregation, or searching for sufficient studies for coherent configuration •• analysis of map: minimal description/detailed description/analytic •• breadth of question for synthesis: narrow/broad •• extent of evidence for synthesis: minimal/adequate •• nature of synthesis: not a synthesis (descriptive)/aggregative/configuring.

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An Introduction to Systematic Reviews


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