In its original form, scores on Binet's IQ test were computed as a ratio between __________.
A) vocabulary and age
B) problem solving + vocabulary and mental age
C) mental age and chronological age
D) verbal ability + mathematical ability and motivation

Question

Quizplus · Accepted Answer

Binet's IQ test was originally designed to measure intelligence based on the ratio between a person's mental age and their chronological age. This means that if a person's mental age was higher than their chronological age, they would have a higher IQ score. The formula for calculating IQ was later revised by Lewis Terman, but the original ratio between mental and chronological age was a foundational aspect of the test.

In Its Original Form, Scores on Binet's IQ Test Were