Modular Open-Source Software for Item Factor Analysis

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dc.contributor.authorJoshua N. Pritikin
dc.contributor.authorMicheal D. Hunter
dc.contributor.authorSteven M. Boker
dc.date.accessioned2016-01-14T19:54:01Z
dc.date.accessioned2016-03-30T15:32:21Z
dc.date.available2016-01-14T19:54:01Z
dc.date.available2016-03-30T15:32:21Z
dc.date.issued2014-10-31
dc.description.abstractThis article introduces an item factor analysis (IFA) module for OpenMx, a free, open-source, and modular statistical modeling package that runs within the R programming environment on GNU/Linux, Mac OS X, and Microsoft Windows. The IFA module offers a novel model specification language that is well suited to programmatic generation and manipulation of models. Modular organization of the source code facilitates the easy addition of item models, item parameter estimation algorithms, optimizers, test scoring algorithms, and fit diagnostics all within an integrated framework. Three short example scripts are presented for fitting item parameters, latent distribution parameters, and a multiple group model. The availability of both IFA and structural equation modeling in the same software is a step toward the unification of these two methodologies.en_US
dc.description.peerreviewYesen_US
dc.description.peerreviewnoteshttps://us.sagepub.com/en-us/nam/manuscript-submission-guidelinesen_US
dc.identifier.citationPritikin, J. N., Hunter, M. D., & Boker, S. M. (2014). Modular Open-Source Software for Item Factor Analysis. Educational and Psychological Measurement. doi: 10.1177/0013164414554615en_US
dc.identifier.doi10.1177/0013164414554615en_US
dc.identifier.urihttp://hdl.handle.net/11244/25582
dc.language.isoen_USen_US
dc.publisherEducational and Psychological Measurement
dc.rights.requestablefalseen_US
dc.subjectitem factor analysisen_US
dc.subjectitem response theoryen_US
dc.subjectmodularen_US
dc.subjectopen-sourceen_US
dc.titleModular Open-Source Software for Item Factor Analysisen_US
dc.typeResearch Articleen_US

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