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Download full textRentz, R. Robert; Rentz, Charlotte C. – 1978
Issues of concern to test developers interested in applying the Rasch model are discussed. The current state of the art, recommendations for use of the model, further needs, and controversies are described for the three stages of test construction: (1) definition of the content of the test and item writing; (2) item analysis; and (3) test…
Descriptors: Ability, Achievement Tests, Difficulty Level, Goodness of Fit
