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ERIC Number: EJ149117
Record Type: Journal
Publication Date: 1976
Pages: N/A
Abstractor: N/A
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A Note on Keats' Generalization of the Rasch Model
White, P. O.
Psychometrika, 41, 3, 405-7, Sep 76
An alternative derivation is given for a generalization of the Rasch model which incorporates a guessing parameter. The probability of a correct response to the problem is a projective transformation of the problem difficulty. The ability and difficulty parameters separate into additive components. (Author/JKS)
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