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Direct linkTong, Ye; Kolen, Michael – Applied Psychological Measurement, 2005
The performance of three equating methods--the presmoothed equipercentile method, the item response theory (IRT) true score method, and the IRT observed score method--were examined based on three equating criteria: the same distributions property, the first-order equity property, and the second-order equity property. The magnitude of the…
Descriptors: True Scores, Criteria, Raw Scores, Item Response Theory
