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Baghaei, Purya; Carstensen, Claus H. – Practical Assessment, Research & Evaluation, 2013
Standard unidimensional Rasch models assume that persons with the same ability parameters are comparable. That is, the same interpretation applies to persons with identical ability estimates as regards the underlying mental processes triggered by the test. However, research in cognitive psychology shows that persons at the same trait level may…
Descriptors: Item Response Theory, Models, Reading Comprehension, Reading Tests