Which of the following is true about reliability and validity?
A) Reliability and validity are the same concept.
B) Reliability and validity are mutually exclusive.
C) A measure can be either reliable or valid.
D) If we hope to measure validity, we need to assess reliability.

Question

Quizplus · Accepted Answer

Reliability refers to the consistency of a measure, while validity refers to the accuracy of a measure. A measure must be reliable to be valid, as a measure that is not consistent cannot accurately measure what it is supposed to. Therefore, assessing reliability is a prerequisite for determining validity.

Which of the Following Is True About Reliability and Validity