Which of the following does not describe reliability? a. all of these describe reliability. b. the degree to which test scores are consistent and accurate c. the degree to which a test measures what it's supposed to measure d. the degree to which test scores are free from errors of measurement

A. All of these describe reliability.

Explanation:

Reliability is a concept used to describe something's quality of being trustworthy or of working or behaving consistently well. It is also used to describe the degree of consistency a result of some calculation, test, experiment or measurement has so that it could be considered accurate. Therefore, all options B, C and D describe the term realibility and option A is the correct answer.

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