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Computer Software2
Evaluation Methods2
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Computation1
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Generalizability Theory1
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Item Response Theory1
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Journal of Educational…2
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Briggs, Derek C.1
Nanda, Alice O.1
Oshima, T. C.1
Raju, Nambury S.1
Wilson, Mark1
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Generalizability in Item Response Modeling
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Briggs, Derek C.; Wilson, Mark – Journal of Educational Measurement, 2007
An approach called generalizability in item response modeling (GIRM) is introduced in this article. The GIRM approach essentially incorporates the sampling model of generalizability theory (GT) into the scaling model of item response theory (IRT) by making distributional assumptions about the relevant measurement facets. By specifying a random…
Descriptors: Markov Processes, Generalizability Theory, Item Response Theory, Computation
A New Method for Assessing the Statistical Significance in the Differential Functioning of Items and Tests (DFIT) Framework
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Oshima, T. C.; Raju, Nambury S.; Nanda, Alice O. – Journal of Educational Measurement, 2006
A new item parameter replication method is proposed for assessing the statistical significance of the noncompensatory differential item functioning (NCDIF) index associated with the differential functioning of items and tests framework. In this new method, a cutoff score for each item is determined by obtaining a (1-alpha ) percentile rank score…
Descriptors: Evaluation Methods, Statistical Distributions, Statistical Significance, Test Bias