Binet felt children should be classified as mentally retarded when their mental age was at least __________ below their chronological age.
A) two years
B) one year
C) three years
D) six months

Question

Quizplus · Accepted Answer

Binet proposed that children should be considered mentally retarded if their mental age was at least two years below their chronological age. This was part of his work in developing intelligence testing.

Binet Felt Children Should Be Classified as Mentally Retarded When