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 analysis was done by hand and highly subject to error.
D) None of these

Question

Quizplus · Accepted Answer

Studies have shown that standard deviations on IQ tests are not constant with age, which means that using a fixed standard deviation can lead to inaccurate results, particularly for children.

One Technical Problem That Arose with the Early Use of Intelligence