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      Meta-Analysis: Recent Developments in Quantitative Methods for Literature Reviews

      1 , 1
      Annual Review of Psychology
      Annual Reviews

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          Abstract

          ▪ Abstract We describe the history and current status of the meta-analytic enterprise. The advantages and historical criticisms of meta-analysis are described, as are the basic steps in a meta-analysis and the role of effect sizes as chief coins of the meta-analytic realm. Advantages of the meta-analytic procedures include seeing the “landscape” of a research domain, keeping statistical significance in perspective, minimizing wasted data, becoming intimate with the data summarized, asking focused research questions, and finding moderator variables. Much of the criticism of meta-analysis has been based on simple misunderstanding of how meta-analyses are actually carried out. Criticisms of meta-analysis that are applicable are equally applicable to traditional, nonquantitative, narrative reviews of the literature. Much of the remainder of the chapter deals with the processes of effect size estimation, the understanding of the heterogeneity of the obtained effect sizes, and the practical and scientific importance of the effect sizes obtained.

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          Most cited references44

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          Statistical methods in psychology journals: Guidelines and explanations.

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            Meta-Analytic Procedures for Social Research

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              The earth is round (p < .05).

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                Author and article information

                Journal
                Annual Review of Psychology
                Annu. Rev. Psychol.
                Annual Reviews
                0066-4308
                1545-2085
                February 2001
                February 2001
                : 52
                : 1
                : 59-82
                Affiliations
                [1 ]Department of Psychology, University of California, Riverside, Riverside, California 92521
                Article
                10.1146/annurev.psych.52.1.59
                11148299
                8095121b-e9d8-42ca-851e-bcfb8f77355b
                © 2001
                History

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