Regression to the mean implies that if extreme scores are obtained for some individuals and then the observations are repeated, the second scores obtained for these same individuals will be
A) closer to the mean of the first scores of the entire group.
B) more extreme than the first scores of the entire group.
C) exactly the same as before.
D) unreliable.

Question

Quizplus · Accepted Answer

Regression to the mean is a statistical phenomenon where if a variable is extreme on its first measurement, it will tend to be closer to the average on its second measurement, and if it is extreme on its second measurement, it will tend to have been closer to the average on its first.

Regression to the Mean Implies That If Extreme Scores Are