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Peer reviewedKraemer, Helena Chmura – Journal of Educational Statistics, 1983
Approximations to the distribution of a common form of effect size are presented. Single sample tests, confidence interval formulation, tests of homogeneity, and pooling procedures are based on these approximations. Caveats are presented concerning statistical procedures as applied to sample effect sizes commonly used in meta-analysis. (Author)
Descriptors: Effect Size, Meta Analysis, Research Methodology, Statistical Data
Peer reviewedBryant, Fred B.; Wortman, Paul M. – New Directions for Program Evaluation, 1984
Methods for selecting relevant and appropriate quasi-experimental studies for inclusion in research synthesis using the threats-to-validity approach are presented. Effects of including and excluding studies are evaluated. (BS)
Descriptors: Evaluation Criteria, Meta Analysis, Quasiexperimental Design, Research Methodology
Download full textHedges, Larry V.; And Others – 1989
Methods for meta-analysis have evolved dramatically since Gene Glass first proposed the term in 1976. Since that time statistical and nonstatistical aspects of methodology for meta-analysis have been developing at a steady pace. This guide is an attempt to provide a practical introduction to rigorous procedures in the meta-analysis of social…
Descriptors: Comparative Analysis, Effect Size, Higher Education, Meta Analysis
