One technical problem that arose with the early use of intelligence quotients on tests such as the Stanford-Binet was that
A) mental age was difficult to accurately determine.
B) standard deviations were not constant with age.
C) factor analytic techniques were in their infancy and tended to be inaccurate.
D) None of these

Question

Quizplus · Accepted Answer

The standard deviations of IQ scores were not constant with age, which meant that comparing scores between different age groups was problematic. This issue was addressed by developing age-specific norms for IQ tests.

One Technical Problem That Arose with the Early Use of Intelligence