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Cohen, Allan S.; Kappy, Kathleen A. – 1980
The ability of the Rasch model to provide item difficulties and achievement test scores which are invariant is studied. Data for the study were obtained from students in grades 3 through 7 who took the Sequential Tests of Educational Progress (STEP III) Reading and Mathematics Concepts tests during a spring norming study. Each test contained 50…
Descriptors: Achievement Tests, Difficulty Level, Elementary Education, Item Analysis
Oaster, T. R. F.; And Others – 1986
This study hypothesized that items in the one-question-per-passage format would be less easily answered when administered without their associated contexts than conventional reading comprehension items. A total of 256 seventh and eighth grade students were administered both Forms 3A and 3B of the Sequential Tests of Educational Progress (STEP 11).…
Descriptors: Context Effect, Difficulty Level, Grade 7, Grade 8