The extent to which an experimental procedure separates the two populations of individual scores in a research study is the:
A)effect size
B)standard deviation of the mean
C)sampling distribution of the mean
D)statistical significance

Question

Quizplus · Accepted Answer

Effect size is a measure of the magnitude of a treatment effect or relationship in a study. It indicates how much of a difference there is between the two groups being compared. Therefore, it directly relates to the separation of the individual scores and is the best choice for this question.

The Extent to Which an Experimental Procedure Separates the Two