Meanings
plural effect sizes
- mathematicsA measure of the strength or magnitude of the effect of an independent variable on a dependent variable in an experiment or a quasi-experiment.
He spent a year breaking down the 45 studies Stapel produced at Tilburg and cataloguing their individual aberrations, noting where the effect size – a standard measure of the difference between the two groups in an experiment – seemed suspiciously large, […]
2017 February 1, Stephen Buranyi, “The high-tech war on science fraud”, in The GuardianSynonyms: treatment effect, ATE
Synonyms & antonyms
nounA measure of the strength or magnitude of the effect of an independent variable on a dependent variable in an experiment or a quasi-experiment.
Translations
French taille d'effet
- taille d'effeta measure of the strength or magnitude of the effect
German Effektstärke
- Effektstärkea measure of the strength or magnitude of the effect
Spanish tamaño del efecto, magnitud del efecto
- tamaño del efectoa measure of the strength or magnitude of the effect
- magnitud del efectoa measure of the strength or magnitude of the effect
Cite this entry
effect size. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/effect%20size
“effect size.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/effect%20size. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “effect size,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/effect%20size.
Source: effect size on Wiktionary, CC BY-SA 4.0.