Criterion-related profile analysis (CPA) Lately, there has been much interest in subscores, because they can potentially provide diagnostically useful information. A subscore refers to a score on one test in a test battery or one section of a single test. A score profile x p = (X 1 , X 2 , . . . , X V ) is the vector of V subscores for person p, where p = 1, . . . , P and v = 1, . . . , V, and the total for person p is a sum of the subscores X p = v X pv . Recent literature shows at least three lines of subscore research. First, researchers have proposed methods that yield subscores with improved psychometric properties, usually reliability (de la Torre

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