Chapter 5 is concerned with the conceptual foundations of meta-analysis. It deals with large-scale issues having to do with meta-analysis and the nature of science. Meta-analysis is an approach to data analysis that involves the quantitative, or statistical, analysis of data analyses from a number of existing primary studies in a common domain. At its simplest, meta-analysis involves computing the average effect size for a group of studies. The chapter begins by discussing Gene Glass’s rationale for meta-analysis. It then examines David Sohn’s argument that meta-analysis does not produce genuine scientific discoveries. The roles of meta-analysis in relation to the processes of phenomena detection and scientific explanation are also considered.
Keywords: meta-analysis, Glass’s rationale, meta-analysis and scientific discovery, meta-analysis in phenomena detection, meta-analysis in scientific explanation, phenomena detection, scientific explanation
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