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Download full textHambleton, Ronald K.; Cook, Linda L. – 1978
The purpose of the present research was to study, systematically, the "goodness-of-fit" of the one-, two-, and three-parameter logistic models. We studied, using computer-simulated test data, the effects of four variables: variation in item discrimination parameters, the average value of the pseudo-chance level parameters, test length,…
Descriptors: Career Development, Difficulty Level, Goodness of Fit, Item Analysis
