Meta-analysis in the social sciences: |
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| Authors: | Bruce E Wampold Hyunnie Ahn Dongmin Kim |
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| Institution: | (1) University of Wisconsin-Madison, 53706 WI, USA |
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| Abstract: | Meta-analysis is a class of statistical methods for combining the results from a series of studies addressing the same research
question. These methods can powerfully test hypotheses that cannot be answered clearly with one or a few studies and eliminates
the ambiguity that results from narrative reviews of a research literature or from counting the number of studies that support
a particular conclusion. The usefulness of meta-analysis is demonstrated by reviewing instances in psychotherapy, education,
and medicine that show how meta-analysis was used successfully to end acrimonious debate and reach a firm and lasting conclusion. |
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