Browsing by Author "Lee, Sung-hyuck."
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Multidimensional item response theory: A SAS MDIRT macro and empirical study of PIAT math test.
Lee, Sung-hyuck. (2007)Even though unidimensional item response theory (IRT) provides a better framework for practical test settings than classical test theory (CTT), theoretical and empirical evidence shows that most response data violate the ...