A mental test is considered reliable if __________.

A) it actually measures the characteristic that it was designed to measure
B) it consistently measures whatever it measures
C) scores obtained on the test are accurate measures of the characteristics in question
D) an individual's score on the test remains the same no matter what happens

Question

laurent Beauchamp · Accepted Answer

Final Answer : B, Explanation :  Reliability refers to the consistency and stability of a test's scores. Therefore, a mental test is considered reliable if it consistently measures whatever it measures, regardless of whether it measures the characteristic it was designed to measure or if the scores obtained on the test are accurate measures of the characteristics in question. Option D is incorrect because test scores can vary due to factors such as practice effects or changes in the individual's cognitive abilities.

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