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FOI Scenario And Assessment Practice Test

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A test that yields inconsistent results across groups demonstrates a lack of which quality?
Correct Answer:
Reliability
Explanation:
Reliability means the test yields stable, consistent results across administrations, forms, scorers, or groups. If the same test produces different average results for different groups, the scores aren’t dependable—the measurement varies with group membership rather than reflecting the trait being measured. That lack of consistency is exactly what reliability is about. Validity asks whether the test measures what it’s intended to measure, which is different from whether results stay consistent across groups. Currency is about content being up-to-date, which isn’t about consistency. Fairness involves bias and equity across groups, which can be related but isn’t the direct property described here.

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