Reliability of a test refers to its
A) ability to give consistent results over time for the same person.
B) valid measurement of what it claims to measure.
C) power in reliably predicting the test taker's responses.
D) really testing the subject you wish to know about.

Question

Quizplus · Accepted Answer

Reliability is the extent to which a test produces consistent and stable results over time and across different scorers. Option A reflects this definition, as it emphasizes the consistency of results for the same person over time. Option B refers to validity, which is the extent to which a test measures what it claims to measure, while option C does not accurately reflect the concept of reliability. Option D is unclear and does not make sense in the context of reliability.

Reliability of a Test Refers to Its