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Factor models for ordinal variables with covariate effects on the manifest and latent variables: a comparison of LISREL and IRT approaches

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We consider a general type of model for analyzing ordinal variables with covariate effects and 2 approaches for analyzing data for such models, the item response theory (IRT) approach and the PRELIS-LISREL (PLA) approach. We compare these 2 approaches on the basis of 2 examples, 1 involving only covariate effects directly on the ordinal variables and 1 involving covariate effects on the latent variables in addition.

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en

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http://eprints.lse.ac.uk/5414/

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