The actual amount of difference between the two populations that the samples are from is most closely associated with
A) whether or not to use hypothesis testing
B) Type I and Type II errors
C) effect size
D) the .05 or .01 $\alpha$level.

Question

Quizplus · Accepted Answer

Effect size is a quantitative measure of the magnitude of the experimenter effect. It is directly related to the actual amount of difference between the two populations that the samples are from.

The Actual Amount of Difference Between the Two Populations That α\alphaα

The Actual Amount of Difference Between the Two Populations That $\alpha$