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The unique correspondence of the item response function and item category response functions in polytomously scored item response models

Hua-Hua Chang and John Mazzeo

Psychometrika, 1994, vol. 59, issue 3, 404 pages

Keywords: item response theory; polytomous item; partial credit model; generalized partial credit model; graded response model; invariance; ordered categories (search for similar items in EconPapers)
Date: 1994
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/BF02296132

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