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MLCIRTwithin (version 1.1)
Latent Class Item Response Theory (LC-IRT) Models under
Within-Item Multidimensionality
Description
Framework for the Item Response Theory analysis of dichotomous and ordinal polytomous outcomes under the assumption of within-item multidimensionality and discreteness of the latent traits. The fitting algorithms allow for missing responses and for different item parametrizations and are based on the Expectation-Maximization paradigm. Individual covariates affecting the class weights may be included in the new version.