Imagine you took a survey on your math ability at one time point and then the same survey at a later date. If your math ability was the same between Time 1 and Time 2, and nothing substantial happened during that time (i.e., you got a tutor), which type of reliability for the measure of math ability was achieved?
A) interobserver reliability
B) interitem reliability
C) test-retest reliability
D) intraobserver reliability

Question

Quizplus · Accepted Answer

Test-retest reliability is achieved when the scores on a measure are consistent over time, assuming the characteristic being measured hasn't changed.

Imagine You Took a Survey on Your Math Ability at One