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Download full textForster, Fred; Ingebo, George – 1978
Six monographs on the Rasch model are summarized. The first gives a historical perspective on the application of the Rasch model in the Portland, Oregon, metropolitan area. The remaining papers summarize research on the Rasch model. The research in Monograph II lead to the conclusion that random samples are not needed to calibrate item levels in…
Descriptors: Achievement Tests, Elementary Education, Field Tests, Item Banks
