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Download full textYildiz Yildirim; Melek Gülsah Sahin – International Journal of Psychology and Educational Studies, 2023
There is increasing interest in meta-analysis in different fields due to the need to combine the results of primary research. One of the crucial concepts in combining results is weighting. This study examines how Hunter and Schmidt's method, weighting by sample size; Hedges and Vevea's method, weighting by inverse variance; and Osburn and…
Descriptors: Foreign Countries, Weighted Scores, Meta Analysis, Effect Size
