Fred took the SAT to meet an entrance requirement for a college. On his first attempt he scored far below average. He decided to study for the test and take it again. This time he scored higher and closer to the average of all people taking the test. This example illustrates the possibility of _______________ as a rival plausible explanation.
A) History
B) Maturation
C) Regression artifact
D) Differential selection

Question

Quizplus · Accepted Answer

Regression artifact refers to the statistical phenomenon where extreme scores tend to move closer to the average upon retesting, which explains Fred's improved score.

Fred Took the SAT to Meet an Entrance Requirement for a College