A psychologist is investigating the reliability of a new cognitive assessment tool. They are comparing the internal consistency, test-retest reliability, and inter-rater reliability. What is the psychologist trying to assess?
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✓ Correct answer: B. ReliabilityAnswer: Reliability. Reliability refers to the consistency of a test or assessment tool. Since the psychologist is examining internal consistency, test-retest reliability, and inter-rater reliability, they are focusing on the reliability of the cognitive assessment tool. Content validity is the extent to which a test measures all facets of a given construct, while factorial validity refers to the degree to which a test scores relate to the theoretical factors they represent.
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Theory