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Kim, Hyun Seok John – ProQuest LLC, 2011
Cognitive diagnostic assessment (CDA) is a new theoretical framework for psychological and educational testing that is designed to provide detailed information about examinees' strengths and weaknesses in specific knowledge structures and processing skills. During the last three decades, more than a dozen psychometric models have been developed…
Descriptors: Cognitive Measurement, Diagnostic Tests, Bayesian Statistics, Statistical Inference
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Templin, Jonathan L.; Henson, Robert A.; Templin, Sara E.; Roussos, Louis – Applied Psychological Measurement, 2008
Several types of parameterizations of attribute correlations in cognitive diagnosis models use the reduced reparameterized unified model. The general approach presumes an unconstrained correlation matrix with K(K - 1)/2 parameters, whereas the higher order approach postulates K parameters, imposing a unidimensional structure on the correlation…
Descriptors: Factor Structure, Identification, Correlation, Computation
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Seethaler, Pamela M.; Fuchs, Lynn S. – Learning Disabilities Research & Practice, 2006
The purpose of this study was to examine the relations of various cognitive abilities and aspects of math performance with computational estimation skill among third graders. Students (n=315) were assessed on language, nonverbal reasoning, concept formation, processing speed, long-term memory, working memory, inattentive behavior, basic reading…
Descriptors: Grade 3, Statistical Analysis, Cognitive Ability, Correlation