Content validity evaluates whether the test items fully represent the domain of mental ability.
It provides a numerical benchmark that is harder to dispute than subjective interview notes. Summary of Psychometric Properties Internal Consistency Items are tightly focused on logical patterns. Temporal Stability Scores remain consistent across multiple sittings. Concurrent Validity Matches results of longer, more complex IQ tests. Bias Risk Non-verbal format reduces language barriers. md5 mental ability test reliability and validity