If a four-year-old child were shown to have a mental age of four when taking the Stanford-Binet test, the child's IQ would be ____.
A) 150
B) 125
C) 100
D) 75

Question

Quizplus · Accepted Answer

The Stanford-Binet test calculates a person's IQ by dividing their mental age by their chronological age and multiplying by 100. In this case, the child's mental age and chronological age are both four, so their IQ would be 100.

If a Four-Year-Old Child Were Shown to Have a Mental