A researcher is comparing the normal curve for two studies using the standard deviation for individual scores.Study 1 depicts two samples with means close together, while the means in Study 2 are farther apart.Which has a bigger effect size?
A) Study 1 because there is more overlap between distributions
B) Study 1 because there is less overlap between distributions
C) Study 2 because there is more overlap between distributions
D) Study 2 because there is less overlap between distributions

Question

Quizplus · Accepted Answer

A larger effect size is indicated by a greater distance between the means of the two distributions, as opposed to the amount of overlap. Therefore, Study 2, with means farther apart, has a bigger effect size compared to Study 1.

A Researcher Is Comparing the Normal Curve for Two Studies