According to Binet's reasoning, a 6-year-old child who scores the equivalent to an average 4-year-old on an intelligence test has the mental age of __________.
A) 4
B) 1.5
C) .66
D) 10
E) 5

Question

Quizplus · Accepted Answer

Binet's concept of mental age implies that the child's performance on an intelligence test corresponds to the average ability of a certain age group. Therefore, if a 6-year-old scores the same as the average 4-year-old, their mental age is considered to be 4.

According to Binet's Reasoning, a 6-Year-Old Child Who Scores the Equivalent