Effect Size in Education Research
An effect size is a standardized, scale-free measure of the magnitude of a difference or relationship — how big an effect is, not just whether it is statistically significant. In education research it is the common currency for reporting intervention impacts and for combining studies in meta-analysis, with the standardized mean difference (Cohen's d, or its bias-corrected form Hedges' g) the most familiar. Effect sizes let researchers compare effects across studies, outcomes, and scales, and translate statistical results into terms practitioners can weigh.
手法の全文を読む
無料アカウントでログインすると、このセクションを読めます。
手法マップ
関連する手法の近傍 — ノードを選択して探索できます。
出典
- Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd ed.). Lawrence Erlbaum Associates. ISBN: 9780805802832
- What Works Clearinghouse. (2022). What Works Clearinghouse Procedures and Standards Handbook, Version 5.0. Institute of Education Sciences, U.S. Department of Education. link ↗
このページの引用方法
ScholarGate. (2026, June 22). Effect Sizes for Quantifying and Synthesizing Educational Interventions. ScholarGate. https://scholargate.app/ja/education/effect-size-education
どの手法を選ぶ？
この手法を最も近い類縁の手法と並べ、両者を見比べてください — ライブラリは本を机の上に並べるだけ。選ぶのはあなたです。
- 効果量研究統計↔ 比較
- What Works Clearinghouse StandardsEducation↔ 比較