Psychological outcomes reported by 21 EEF evaluations showed an overall meta-analysis weighted mean effect size of +0.05 SD, but were excluded from the main meta-analyses¶

Claim · All claims
Evidence · 1 study · quant-synthesis r? · q3 · i0 negligible
Currency · newest study 2021 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i0 21 of the 82 evaluations reported 88 psychological ITT or FSM effect sizes with an overall weighted mean of +0.05 SD. → Demack 2021

Evidence¶

Demack 2021¶

Demack, S., Maxwell, B., Coldwell, M., Stevens, A., Wolstenholme, C., Reaney-Wood, S., Stiell, B., & Lortie-Forgues, H. (2021). Review of EEF projects: Evaluation report. Education Endowment Foundation. https://eric.ed.gov/?id=ED625480

q3 · i0 · quant-synthesis · r?

Meta-analytic summary of psychological outcome effect sizes (attitudes and beliefs, cognition and metacognition, social behaviours) from 21 EEF evaluations. The review reports "an overall meta-analysis weighted mean effect size of +0.05 SD".

"A total of 88 psychological ITT or FSM effect sizes were reported by 21 of the 82 evaluations in the review and an overall meta-analysis weighted mean effect size of +0.05 SD was observed."

Discussion¶

Related Claims¶

• Across 82 EEF RCT evaluations, overall meta-analysis weighted mean effect sizes were small: +0.04 SD for primary ITT, +0.01 SD for secondary ITT, and +0.03 SD for FSM subsample attainment outcomes — related