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Please provide a 150-200 word response to the below question and please use at least 1 reference. Also please cite reference in APA 6th edition format and please provide doi or www info for reference if applicable.The consistency or stability of a measure is its reliability (Levy, 2013). Reliability is defined as the consistency of a test or the degree to which it yields the same result in repeated administrations to the same test group. Validity is defined as the degree to which a test measures what it is supposed to measure. A reliable test is not always valid but a valid test is always reliable. The validity of a measure is considered in terms of construct validity (Levy, 2013). Construct validity is the extent to which a test measures a concept, construct or a trait of interest. There are two types of construct validity namely: the content and criterion validity. Content validity is the degree to which a sample of test items represents or covers the content area that it is supposed to measure (Levy, 2013). While criterion is whether the test is a good predictor of attitudes, behavior or performance (Levy, 2013).
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