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Peer reviewedBoldt, Robert F. – Language Testing, 1992
The assumption called PIRC (proportional item response curve) was tested in which PIRC was used to predict item scores of selected examinees on selected items. Findings show approximate accuracies of prediction for PIRC, the three-parameter logist model, and a modified Rasch model. (12 references) (Author/LB)
Descriptors: Comparative Analysis, English (Second Language), Factor Analysis, Item Response Theory
