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An Optimization Model for Test Assembly To Match Observed-Score Distributions. Research Report 94-7.
Download full textvan der Linden, Wim J.; Luecht, Richard M. – 1994
An optimization model is presented that allows test assemblers to control the shape of the observed-score distribution on a test for a population with a known ability distribution. An obvious application is for item response theory-based test assembly in programs where observed scores are reported and operational test forms are required to produce…
Descriptors: Ability, Foreign Countries, Heuristics, Item Response Theory
Wang, Xiaoping; Maxey, James – 1995
This study focused on gender differences in scores on the American College Testing Program (ACT) assessment in mathematics for a large sample of U.S. high school graduates (over 1,700,000) and a sample of 321 Chinese twelfth graders. A smaller gender difference was found for the Chinese sample than for the U.S. sample. However, a similar pattern…
Descriptors: Ability, College Entrance Examinations, Comparative Analysis, Cross Cultural Studies
