Having a restricted range of test scores means that the observed validity coefficient is likely to be ______.
A) higher
B) lower
C) unaffected
D) unpredictable

Question

Quizplus · Accepted Answer

A restricted range of test scores tends to lower the observed validity coefficient because it reduces the variability of scores, making it harder to detect a relationship between the test scores and the criterion being measured.

Having a Restricted Range of Test Scores Means That the Observed