R², the effect size for ANOVA, is calculated as a ratio of: A) total sum of squares to within-groups sum of squares. B) within-groups mean squares to between-groups mean squares. C) total mean squares to total sum of squares. D) between-groups sums of squares to total sum of squares.

Question

Quizplus · Accepted Answer

The effect size for ANOVA, also known as eta squared (η²), is calculated as the ratio of the between-groups sum of squares to the total sum of squares. Therefore, choice D, between-groups sums of squares to total sum of squares, is the correct choice.

R2, the Effect Size for ANOVA, Is Calculated as a Ratio

R², the Effect Size for ANOVA, Is Calculated as a Ratio