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Download full textHan, Kyung T.; Wells, Craig S.; Hambleton, Ronald K. – Practical Assessment, Research & Evaluation, 2015
In item response theory test scaling/equating with the three-parameter model, the scaling coefficients A and B have no impact on the c-parameter estimates of the test items since the cparameter estimates are not adjusted in the scaling/equating procedure. The main research question in this study concerned how serious the consequences would be if…
Descriptors: Item Response Theory, Monte Carlo Methods, Scaling, Test Items
