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Download full textYen, Shu Jing; Ochieng, Charles; Michaels, Hillary; Friedman, Greg – Online Submission, 2005
Year-to-year rater variation may result in constructed response (CR) parameter changes, making CR items inappropriate to use in anchor sets for linking or equating. This study demonstrates how rater severity affected the writing and reading scores. Rater adjustments were made to statewide results using an item response theory (IRT) methodology…
Descriptors: Test Items, Writing Tests, Reading Tests, Measures (Individuals)
