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psychometrics

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IRT-FIT: SAS Macros for Fitting Item Response Theory (IRT) Models: Psychometrics has recently seen the development of complex measurement models to better represent test and item data. Item Response Theory IRT, in particular, comprises a set of non-linear latent variable models that appear to have several conceptual and empirical properties that make them more valuable in practice than classical test...; Tags: SAS Institute, Psychometrics; White papers 2005-03-09

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