Meta-analyses looking at the difference between two groups would use ___ as the effect size whereas meta-analyses looking at the relationship between two variables would use ___ as the effect size.
A) d / r
B) r / d
C) t / d
D) t / F

Question

Quizplus · Accepted Answer

Meta-analyses looking at the difference between two groups would use d as the effect size, which measures the standardized mean difference between the two groups. Meta-analyses looking at the relationship between two variables would use r as the effect size, which measures the correlation between the two variables.

Meta-Analyses Looking at the Difference Between Two Groups Would Use