The validity of an intelligence test is usually measured by correlating scores on the test with all of the following except
A)grades in school.
B)a second administration of the same test.
C)teachers' ratings of their students.
D)scores on an established test of intelligence.

Question

Quizplus · Accepted Answer

Correlating scores on a second administration of the same test is not a measure of the test's validity, as the scores would be expected to be highly correlated. It is important to correlate scores on the test with external measures of intelligence, such as grades in school, teachers' ratings, and established tests of intelligence, to determine the test's validity.

The Validity of an Intelligence Test Is Usually Measured by Correlating