Question

The tendency of scores that are well below the mean to move up toward the mean on retesting, and the tendency of scores that are well above the mean to move down toward the mean on retesting is called:

Group of answer choices

Selection effect

Maturation effect

Instrumentation effect

Regression artifact effect

Answer 1

Ans is Regression artifact effect

In statistics, regression toward (or to) the mean is the phenomenon that arises if a random variable is extreme on its first measurement but closer to the mean or average on its second measurement and if it is extreme on its second measurement but closer to the average on its first

therfore Regression artifact effect means the tendency of scores that are well below the mean to move up toward the mean on retesting, and the tendency of scores that are well above the mean to move down toward the mean on retesting