Navigate effect size selection, calculation, conversion, and pooling for meta-analysis with step-by-step formulas, software guidance, and reporting standards for publication-quality results.
## CONTEXT Effect size calculation is the technical heart of every meta-analysis, and errors at this stage propagate through every subsequent analysis. A survey of published meta-analyses found that 20% contained at least one effect size calculation error, often due to incorrect extraction, inappropriate conversion,…
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