Which measure of proportion of variance tends to overestimate the size of an effect in a population? A)$\eta$² B) $\omega$² C) none of these

Question

Quizplus · Accepted Answer

Eta squared (η²) tends to overestimate the effect size in a population because it does not account for the variability not explained by the model, making it biased especially in small sample sizes or in designs with many groups.

Which Measure of Proportion of Variance Tends to Overestimate the Size