The __________ is the phenomenon in which mean IQ scores rise from one generation to the next, unless the test is made more difficult.

Question

Quizplus · Accepted Answer

The phenomenon described is known as the Flynn effect, named after the psychologist James Flynn who first described it. The Cattell effect refers to the increase in fluid intelligence (as opposed to crystallized intelligence) that occurs with age, while the Spearman effect describes the idea that there is a general factor of intelligence (g) that underlies performance on all cognitive tests. The Gardner effect is not a recognized psychological phenomenon.

The __________ Is the Phenomenon in Which Mean IQ Scores