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Kim, Seock-Ho – Educational and Psychological Measurement, 2007
The procedures required to obtain the approximate posterior standard deviations of the parameters in the three commonly used item response models for dichotomous items are described and used to generate values for some common situations. The results were compared with those obtained from maximum likelihood estimation. It is shown that the use of…
Descriptors: Item Response Theory, Computation, Comparative Analysis, Evaluation Methods