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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
Download full textEmenogu, Barnabas; Childs, Ruth A. – 2003
This study investigated the possible impacts of language and curriculum differences on the performance of test items by subpopulations of students. Focusing on Measurement and Geometry items completed by students in French- and English-language schools in Ontario made it possible to explore the differences and to compare the item response theory…
Descriptors: Curriculum, English, Foreign Countries, French
Bolt, Daniel; Ackerman, Terry – 1994
The 1993 Illinois Goal Assessment Program (IGAP) Reading Tests measured reading comprehension using both narrative and expository reading passages. Noticeable differences in mean scaled scores occurred depending on whether the 1993 results were equated back to the 1992 narrative test or the 1993 expository test (Hsu and Ackerman, 1994). In an…
Descriptors: Achievement, Context Effect, Correlation, Educational Objectives
