EstCRM

Calibrating Parameters for the Samejima's Continuous IRT Model

CRAN Package

Estimates item and person parameters for the Continuous Response Model (CRM; Samejima, 1973, doi:10.1007/BF02291114), computes item fit residual statistics, draws empirical 3D item category response curves, draws theoretical 3D item category response curves, and generates data under the CRM for simulation studies.

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