In the two group design with a continuous dependent variable, which of the following measures of effect size can be employed?

(A) Cohen's d

(B) Point biserial correlation

(C) Eta square

(D) Partial eta square

Choose the most appropriate answer from the options given below:-

1. A(A) only
2. B(B) and (C) only
3. C(A), B) and (C) only
4. D(A), (B) and (D) only

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: C. (A), B) and (C) only

Explanation

With two groups and a continuous DV, effect size can be shown as Cohen's d, point-biserial r or eta square; partial eta square is meant for multi-factor designs.