Effect sizes of creative drama studies are heterogeneous (Q = 60.78, df = 39, p < .05), motivating moderator analyses¶

Claim · All claims
Evidence · 1 study · quant-synthesis r2 · q3
Currency · newest study 2015 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? The distribution of effect sizes across the 40 studies was heterogeneous, meaning variance exceeded simple sampling error, so moderators were examined. → Veli Batdı & Hacer Batdı 2015

Evidence¶

Veli Batdı & Hacer Batdı 2015¶

Veli Batdı & Hacer Batdı. (2015). Effect of Creative Drama on Academic Achievement: A Meta-analytic and Thematic Analysis. Educational Sciences: Theory & Practice. https://doi.org/10.12738/estp.2015.6.0156

q3 · i? · quant-synthesis · r2

Quantitative meta-analysis of 40 studies: the heterogeneity test indicated "the distribution of effect sizes in this collection of studies is heterogeneous", leading the authors to adopt a random effects model and group studies by grade level, subject field, and implementation period.

"The Q value indicated that the distribution of effect sizes in this collection of studies is heterogeneous (Q = 60.78, df = 39, p < .05). In other words, the variance of study effect sizes is larger than what can be explained by simple sampling error."

Discussion¶

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