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Lee, Won-Chan; Ban, Jae-Chun – Applied Measurement in Education, 2010
Various applications of item response theory often require linking to achieve a common scale for item parameter estimates obtained from different groups. This article used a simulation to examine the relative performance of four different item response theory (IRT) linking procedures in a random groups equating design: concurrent calibration with…
Descriptors: Item Response Theory, Simulation, Comparative Analysis, Measurement Techniques
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Yin, Alexander C.; Volkwein, J. Fredericks – New Directions for Institutional Research, 2010
After surveying 1,827 students in their final year at eighty randomly selected two-year and four-year public and private institutions, American Institutes for Research (2006) reported that approximately 30 percent of students in two-year institutions and nearly 20 percent of students in four-year institutions have only basic quantitative…
Descriptors: Standardized Tests, Basic Skills, College Admission, Educational Testing