The ability of a test to measure what it sets out to measure is ________.
A) reliability
B) correlation coefficient
C) standard deviation
D) validity

Question

Quizplus · Accepted Answer

Validity refers to the accuracy of a test in measuring what it is intended to measure, whereas reliability refers to the consistency of test results over time. Correlation coefficient and standard deviation are statistical measures used to analyze data, and are not directly related to the validity or reliability of a test.

The Ability of a Test to Measure What It Sets