In describing intelligence during the fifties, statistically speaking, what is the LEAST appropriate comment?
A) vocabulary improves
B) the ability to master unfamiliar material declines
C) people often reach their intellectual peak
D) people decline in every skill

Question

Quizplus · Accepted Answer

The statement that people decline in every skill is not appropriate because it is not supported by statistical evidence from the fifties. In fact, studies suggest that vocabulary and other cognitive abilities improve during middle age, and that people generally reach their intellectual peak in their late twenties to early thirties. The ability to master unfamiliar material may decline somewhat with age, but this is not true for all individuals and depends on many factors such as education and experience.

In Describing Intelligence During the Fifties, Statistically Speaking, What Is