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Direct linkSheng, Yanyan; Wikle, Christopher K. – Educational and Psychological Measurement, 2008
As item response models gain increased popularity in large-scale educational and measurement testing situations, many studies have been conducted on the development and applications of unidimensional and multidimensional models. Recently, attention has been paid to IRT-based models with an overall ability dimension underlying several ability…
Descriptors: Test Items, Individual Testing, Item Response Theory, Evaluation Methods
