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Training - Reliability and Validity

In at least 250 words, compare reliability and validity.

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While reliability and validity seem to mean the same thing, they are actually two different terms when explained in a more technical manner. Reliability focuses more on the consistency and stability of a measurement and can be determined using two different methods. The first method involves performing a test two different times and if the results are the same for both tests, it is considered reliable. The second method is internal consistency, which can be ...