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Raju, Nambury S. – Applied Psychological Measurement, 1990
The asymptotic sampling distributions (means and variances) are presented for the signed and unsigned estimates for the Rasch model, two-parameter model, and the three-parameter model with fixed lower asymptotes. Applications for item-bias research are discussed. (SLD)
Descriptors: Equations (Mathematics), Estimation (Mathematics), Item Bias, Item Response Theory