Meta Analysis Page Logo Meta - Analysis:
Methods of Accumulating Results Across Research Domains
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Conclusions

The overall goal of this paper was to acquaint the reader with the procedures and assumptions involved with a Hunter and Schmidt meta-analysis. Meta-Analysis provides a strong alternative to the more traditional review methods, and allow for quantitative conclusions to be reached.

Over the last 15 to 20 years there has been an increased criticism of social sciences research because of the confusing state of the research literature. While one reviewer could find a set of studies which supported his viewpoint, a second reviewer commonly found several which did not support said conclusions. A common conclusion in reviews was "Conflicting Results In The Literature, More Research Is Needed To Resolve This Issue." Which typically resulted in more studies which did nothing to clarify the issue.

Meta-analysis offers a way out of this quagmire. By using carefully constructed and comprehensive coding and accumulation procedures questions which cannot be easily answered with a single study and be resolved using meta-analysis. There are two examples within this site, one a reprint from Lyons & Woods, (1991), and the other an as yet unpublished meta-analysis by Lyons (2003). Other efforts by the author include a quantitative review of the effectiveness of behavioral approaches in encouraging recycling. Other approaches include integrating quantitative review methods with such theory building/confirmatory methods as causal modelling and path analysis.

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