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ERIC Number: EJ174694
Record Type: Journal
Publication Date: 1977
Pages: N/A
Abstractor: N/A
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On Keats' Generalization of the Rasch Model
Colonius, Hans
Psychometrika, 42, 3, 443-5, Sep 77
Parameter estimation for Keats generalization of the Rasch model that takes account of guessing behavior is investigated. It is shown that no minimal sufficient statistics for the ability parameters independent of the difficulty parameters exist. (Author/JKS)
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