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Validity and reliability in statistics

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Validity is more critical to measurement than reliability. A valid measurement is reliable, but a reliable measurement may not be valid. Do you agree with these statements? Explain your answer. Provide examples to support your rationale.

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There are several forms of validity and reliability, but we can generally define validity as indicating whether our test measures what it's supposed to and reliability as whether it is consistent over time/people. Considering these definitions, it should be clear to you that a valid measure won't always be reliable - even if some test is ...

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