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Download full textKarkee, Thakur B.; Wright, Karen R. – Online Submission, 2004
Different item response theory (IRT) models may be employed for item calibration. Change of testing vendors, for example, may result in the adoption of a different model than that previously used with a testing program. To provide scale continuity and preserve cut score integrity, item parameter estimates from the new model must be linked to the…
Descriptors: Measures (Individuals), Evaluation Criteria, Testing, Integrity
