Certified Advanced Alcohol and Drug Counselor (CAADC) Practice Exam

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What indicates the consistency of a test when the same results are obtained with repeated measurements?

Reliability
Validity
Standardization
Variability

The correct answer is: Reliability

Reliability refers to the consistency of a test in terms of producing the same results when repeated measurements are taken under the same conditions. It is an essential concept in testing and assessment because it ensures that the results are stable and dependable over time. High reliability means that if the same test is administered multiple times, it will yield similar outcomes, which indicates that the measurement is consistent and not influenced by random error or variability. In the context of the choices provided, validity pertains to whether a test measures what it purports to measure, focusing on the accuracy of the test's results rather than consistency. Standardization relates to the uniform procedures followed during test administration, while variability reflects the extent to which scores differ among individuals. None of these alternatives address the aspect of consistency that reliability encompasses.