A high score achieved at posttest may be an extreme score in some cases, and with additional testing, these students may score closer to their original mean, this is known as ______.
A) regression toward the mean
B) deterioration
C) unrealistic scores
D) weakening of the mean

Question

Quizplus · Accepted Answer

Regression toward the mean occurs when extreme scores on a posttest are not due to true improvement but rather due to random variation. With additional testing, these students may score closer to their original mean.

A High Score Achieved at Posttest May Be an Extreme