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Techniques for quantifying the degree of fit between test items and curricula are classified according to three distinct purposes: (a) assessing overall fit between test and curriculum, (b) assessing the fit of individual items to a content domain, and (c) assessing the impact of test specifications on examinee performance. Procedures for calculating each index are provided, accompanied by discussion of specific properties of the indices within the context of content validation.
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Crocker et al. (1989) studied this question.
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