Meta-analysis is a technique that allows researchers to find out how effective a treatment is through a quantitative comparison of different treatments. It does this by comparing their:
A) effect sizes.
B) correlations
C) sample sizes.
D) estimated magnitudes.

Question

Quizplus · Accepted Answer

Meta-analysis compares the effect sizes of different treatments, which allows researchers to determine which treatment is more effective. Comparing correlations, sample sizes, or estimated magnitudes would not provide the same insight into treatment effectiveness.

Meta-Analysis Is a Technique That Allows Researchers to Find Out