The "Flynn effect" refers to which phenomenon?
A)People with extremely high or low test scores tend to get closer to the mean on a retest.
B)The predictive validity of any test is lower than the reliability of the test.
C)Children in small families tend to do better on IQ tests than children in large families.
D)Performance on IQ tests tends to improve from one generation to the next.

Question

Quizplus · Accepted Answer

The Flynn effect refers to the phenomenon that performance on IQ tests tends to improve from one generation to the next. This effect was first discovered by James R. Flynn in the 1980s and has been observed globally, with an average increase of about 3 IQ points per decade.

The "Flynn Effect" Refers to Which Phenomenon