What Is the Difference Between Reliability and Validity

question 330

Multiple Choice

What is the difference between reliability and validity?

• A) Reliability is the degree to which a test score correlates with some external criterion and validity is the degree to which a test score reflects an individual's true abilities.
• B) Reliability is the extent that scores predict future scores and validity is the accuracy of these scores.
• C) Reliability is how well scores correlate with future measures and validity is the extent that scores on one test correlate with scores on a similar test.
• D) Reliability is the consistency in test scores over time and validity is the extent to which a test measures what it says it measures.

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