The first intelligence tests were produced by comparing children's mental age with the mental age of their peers. This means that if an four-year-old child was performing as if she were an eight-year-old, her IQ would be
A)50
B)100
C)200
D)We can't determine based on this information
E)150

Question

Quizplus · Accepted Answer

The IQ (Intelligence Quotient) is calculated by dividing the individual's mental age by their chronological age and then multiplying by 100. In this case, an 8 (mental age) / 4 (chronological age) * 100 = 200.

The First Intelligence Tests Were Produced by Comparing Children's Mental