Which type of reliability estimate would be appropriate only when evaluating the reliability of a test that measures a trait that is presumed to be relatively stable over time?
A) parallel-forms
B) alternate-forms
C) test-retest
D) split-half

Question

Quizplus · Accepted Answer

Test-retest reliability would be the best choice for evaluating the reliability of a test that measures a trait presumed to be stable over time, as it involves administering the same test to the same individuals at two different points in time and examining the consistency of scores over time. This estimate would not be appropriate for traits that are expected to change over time, as changes in scores over time would reflect changes in the trait rather than changes in the reliability of the test.

Which Type of Reliability Estimate Would Be Appropriate Only When