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Chapter 31 | Analysis of Moderator Effects in MetaAnalysis

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Analysis of Moderator Effects in MetaAnalysis
WolfgangViechtbauer

As discussed in Chapter 12 (this volume), metaanalysis is a quantitative method for leveraging the proliferation of published research to more scientifically and comprehensively synthesize bodies of research (e.g., Chalmers, Hedges, & Cooper, 2002). Social policy decisions and best practices in various fields are increasingly influenced not by the results from single isolated studies but by the findings from metaanalyses (Cook et al., 1992).

A metaanalysis not only helps to determine whether a particular treatment is actually effective or whether there is indeed an association between variables but also allows the ...

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