catIrt

Functions designed to simulate data that conform to basic unidimensional IRT models (for now 3-parameter binary response models and graded response models) along with Post-Hoc CAT simulations of those models given various item selection methods, ability estimation methods, and termination criteria. See Wainer (2000) doi:10.4324/9781410605931, van der Linden & Pashley (2010) doi:10.1007/978-0-387-85461-8_1, and Eggen (1999) doi:10.1177/01466219922031365 for more details.