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Direct linkMonahan, Patrick O.; Stump, Timothy E.; Finch, Holmes; Hambleton, Ronald K. – Applied Psychological Measurement, 2007
DETECT is a nonparametric "full" dimensionality assessment procedure that clusters dichotomously scored items into dimensions and provides a DETECT index of magnitude of multidimensionality. Four factors (test length, sample size, item response theory [IRT] model, and DETECT index) were manipulated in a Monte Carlo study of bias, standard error,…
Descriptors: Test Length, Sample Size, Monte Carlo Methods, Geometric Concepts
