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Direct linkYang, Ji Seung; Hansen, Mark; Cai, Li – Educational and Psychological Measurement, 2012
Traditional estimators of item response theory scale scores ignore uncertainty carried over from the item calibration process, which can lead to incorrect estimates of the standard errors of measurement (SEMs). Here, the authors review a variety of approaches that have been applied to this problem and compare them on the basis of their statistical…
Descriptors: Item Response Theory, Scores, Statistical Analysis, Comparative Analysis
