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Numerous response models for multiple-choice item can be categorized: dichotomous and polytomous. Distractor model is a new response model for multiple-choice items. This model is similar to the development of the numerous response model (NRM), and consists with distractor rejection model (DLT). The parameter estimation is necessary. A method of parameters estimation for distractor model and the arithmetic are provided in this paper. This method is prior to traditional estimation method.
Date of Conference: 18-20 Sept. 2009