In Binet's method of intelligence testing, the age at which a child's performance peaked was considered his or her
A)chronological age.
B)intelligence quotient.
C)mental age.
D)intellectual age.
E)deviation IQ.

Question

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Binet's method of intelligence testing introduced the concept of "mental age," which refers to the age at which a child's performance peaked, indicating the intellectual development level compared to average children of the same chronological age.

In Binet's Method of Intelligence Testing, the Age at Which