Which statement best describes the relationship between reliability and validity?

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Prepare for the GACE Special Education General Curriculum Combined Test (581) with access to flashcards and multiple choice questions. Each question comes with detailed explanations, helping you confidently pass your certification exam!

Multiple Choice

Which statement best describes the relationship between reliability and validity?

Explanation:
Reliability means the test gives consistent results across time, items, or scorers, while validity means the test actually measures the intended construct. If you don’t have reliable results, you can’t trust what the test says about the construct, so validity can’t be established. That’s why reliability is a prerequisite for validity. A test can be reliable (consistent) but not valid if it’s measuring something else or biased, which is why establishing reliability first is essential before judging validity.

Reliability means the test gives consistent results across time, items, or scorers, while validity means the test actually measures the intended construct. If you don’t have reliable results, you can’t trust what the test says about the construct, so validity can’t be established. That’s why reliability is a prerequisite for validity. A test can be reliable (consistent) but not valid if it’s measuring something else or biased, which is why establishing reliability first is essential before judging validity.

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