Which of the following conditions must be met in order for differences among an individual?s scores on various tests comprising an aptitude battery to be interpretable?
A) The correlations among the tests must be high.
B) The percentile bands representing scores on various tests must show some overlap.
C) The reliabilities of the difference scores must be high.
D) The score profile must be as flat as possible.

Question

Quizplus · Accepted Answer

The reliabilities of the difference scores must be high to ensure that the differences observed among an individual's scores on various tests are consistent and not due to measurement error. This reliability is crucial for making meaningful interpretations of the differences in scores across the tests in an aptitude battery.

Which of the Following Conditions Must Be Met in Order