In today's version of the Stanford-Binet intelligence test, an individual's IQ is calculated by
A) dividing an individual's mental age by his or her chronological age and then multiplying by 100.
B) correlating his or her scores on the various subtests.
C) comparing how many questions the individual passed to the average number passed by individuals of the same age.
D) multiplying the number of test items passed by 100.

Question

Quizplus · Accepted Answer

The current versions of the Stanford-Binet test calculate an individual's IQ score by comparing the number of questions the individual answered correctly to the average number of questions answered correctly by individuals of the same age. This method allows for a direct comparison of an individual's performance to a normative sample, which is more reflective of the modern approach to IQ testing than the original mental age to chronological age ratio formula.

In Today's Version of the Stanford-Binet Intelligence Test, an Individual's