Test-retest reliability is:
A)a measure of validity.
B)a measure of internal consistency.
C)a measure of consistency over time.
D)a measure of the same kind of reliability as Cronbach's alpha.

Question

Quizplus · Accepted Answer

Test-retest reliability measures how consistent results are over time, therefore it is a measure of consistency over time, which is different from internal consistency and validity. Cronbach's alpha is also a measure of internal consistency, but it is not the same as test-retest reliability.

Test-Retest Reliability Is