What are some of the reasons for why the correlation coefficient is often considered to be the preferred effect size to use in a meta-analysis? (circle all that apply)
A) it is easy to interpret
B) it is easy to compare (and aggregate) effect sizes from studies that used any combination of dichotomous and continuous measurements of variables
C) studies are more likely to report correlations than they are to report group differences
D) correlations do not take sample size into account while other effect size estimates do

Question

Quizplus · Accepted Answer

A) The correlation coefficient is preferred because it provides a clear and intuitive measure of the strength and direction of the relationship between two variables, making it easy for researchers and readers to interpret. B) It allows for the comparison and aggregation of effect sizes from studies with different measurement scales (dichotomous or continuous), facilitating meta-analysis by providing a common metric.

What Are Some of the Reasons for Why the Correlation