Which term refers to the extent to which a study or research instrument accurately measures what it is supposed to measure?
A) validity
B) reliability
C) predictability
D) variability

Question

Quizplus · Accepted Answer

Validity refers to the degree to which a research instrument measures what it is intended to measure. It is a measure of the accuracy of the instrument. Reliability refers to the consistency and stability of the results obtained from a research instrument. Predictability and variability are not directly related to the accuracy of a research instrument.

Which Term Refers to the Extent to Which a Study