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Direct linkTay-lim, Brenda Siok-Hoon; Zhang, Jinming – Applied Measurement in Education, 2015
To ensure the statistical result validity, model-data fit must be evaluated for each item. In practice, certain actions or treatments are needed for misfit items. If all misfit items are treated, much item information would be lost during calibration. On the other hand, if only severely misfit items are treated, the inclusion of misfit items may…
Descriptors: Test Items, Goodness of Fit, Classification, Item Response Theory
