An 8-year-old child who scored like an average 10-year-old on an intelligence test would have a mental age of _______________ and an IQ of _______________.
A)8;100
B)8;125
C)10;100
D)10;125

Question

Quizplus · Accepted Answer

According to the concept of mental age, the child's mental age is 10 because they scored like an average 10-year-old on the intelligence test. To calculate IQ, the formula is mental age/chronological age x 100. So, the child's IQ would be 10/8 x 100 = 125. Therefore, the answer is D, 10;125.

An 8-Year-Old Child Who Scored Like an Average 10-Year-Old on an Intelligence