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Peer reviewedSykes, Robert C.; Yen, Wendy M. – Journal of Educational Measurement, 2000
Investigated how well the generalized and Rasch models described item and test performance across a broad range of mixed-item-format test configurations (six tests from two state proficiency testing programs). Evaluating the impact of model assumptions on the predictions of item and test information permitted a delineation of the implications of…
Descriptors: Achievement Tests, Elementary Secondary Education, Prediction, Scaling
Peer reviewedWilliams, Valerie S. L.; Pommerich, Mary; Thissen, David – Journal of Educational Measurement, 1998
Created a developmental scale for the North Carolina End-of-Grade Mathematics Tests using a subset of identical test forms administered to adjacent grade levels with Thurstone scaling and Item Response Theory methods. Discusses differences in patterns produced. (Author/SLD)
Descriptors: Achievement Tests, Child Development, Comparative Analysis, Elementary Secondary Education
