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Finkelman, Matthew D.; Hooker, Giles; Wang, Zhen – Journal of Educational and Behavioral Statistics, 2010
Multidimensional Item Response Theory (MIRT) has been proposed as a means to model the relation between examinee abilities and test responses. Three recent articles proved that when MIRT is used in ability estimation, an examinee's score could theoretically decrease due to a correct answer or increase due to an incorrect answer. The current…
Descriptors: Item Response Theory, Incidence, Correlation, Test Bias