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The Multiple-Choice Model: Some Solutions for Estimation of Parameters in the Presence of Omitted Responses
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Abad, Francisco J.; Olea, Julio; Ponsoda, Vicente – Applied Psychological Measurement, 2009
This article deals with some of the problems that have hindered the application of Samejima's and Thissen and Steinberg's multiple-choice models: (a) parameter estimation difficulties owing to the large number of parameters involved, (b) parameter identifiability problems in the Thissen and Steinberg model, and (c) their treatment of omitted…
Descriptors: Multiple Choice Tests, Models, Computation, Simulation