Confidence that the treatment effect is not due to chance is directly related to ____ and inversely related to ____.

Question

Quizplus · Accepted Answer

Confidence that the treatment effect is not due to chance increases with larger effect sizes and decreases with larger within-groups variance. Larger effect sizes suggest a stronger treatment effect, while smaller within-groups variance suggests more consistent results within each group, both contributing to higher confidence in the treatment effect.

Confidence That the Treatment Effect Is Not Due to Chance