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Direct linkDyehouse, Melissa A. – ProQuest LLC, 2009
This study compared the model-data fit of a parametric item response theory (PIRT) model to a nonparametric item response theory (NIRT) model to determine the best-fitting model for use with ordinal-level alternate assessment ratings. The PIRT Generalized Graded Unfolding Model (GGUM) was compared to the NIRT Mokken model. Chi-square statistics…
Descriptors: Social Adjustment, Student Adjustment, Nonparametric Statistics, Item Response Theory
