Which type of reliability estimate is obtained by correlating pairs of scores from the same person (or people)on two different administrations of the same test?
A) a parallel-forms estimate
B) a split-half estimate
C) a test-retest estimate
D) an au-paire estimate

Question

Quizplus · Accepted Answer

Test-retest reliability is estimated by administering the same test to the same group of people at two different times and then correlating the scores from the two administrations. This measures the consistency of test scores over time, making it a good estimate for assessing the stability of the test.

Which Type of Reliability Estimate Is Obtained by Correlating Pairs