A measure that consistently and accurately measures what is supposed to measure is ____.
A)both valid and reliable
B)neither valid nor reliable
C)valid but not reliable
D)reliable but not valid

Question

Quizplus · Accepted Answer

A measure that consistently and accurately measures what it is intended to measure is considered both valid and reliable. Validity refers to the degree to which a measure reflects the true meaning of the concept being measured, while reliability refers to the consistency of results from the measure over time and across different samples. Therefore, A is the only option that accurately describes a measure that is both valid and reliable.

A Measure That Consistently and Accurately Measures What Is Supposed