Download E-books Polytomous Item Response Theory Models (Quantitative Applications in the Social Sciences) PDF

By Dr. Remo Ostini, Dr. Michael L. Nering

Polytomous merchandise reaction concept versions presents a unified, complete creation to the diversity of polytomous versions on hand inside of merchandise reaction conception (IRT). It starts off by way of outlining the first structural contrast among the 2 significant sorts of polytomous IRT models. This makes a speciality of the 2 different types of reaction chance which are distinctive to polytomous versions and their linked reaction capabilities, that are modeled otherwise through the different sorts of IRT model. It describes, either conceptually and mathematically, the foremost particular polytomous versions, together with the Nominal reaction version, the Partial credits version, the score Scale version, and the Graded reaction Model. 

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