2012
DOI: 10.18637/jss.v048.i08
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Random Generation of Response Patterns under Computerized Adaptive Testing with theRPackagecatR

Abstract: This paper outlines a computerized adaptive testing (CAT) framework and presents an R package for the simulation of response patterns under CAT procedures. This package, called catR, requires a bank of items, previously calibrated according to the four-parameter logistic (4PL) model or any simpler logistic model. The package proposes several methods to select the early test items, several methods for next item selection, different estimators of ability (maximum likelihood, Bayes modal, expected a posteriori, w… Show more

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Cited by 94 publications
(98 citation statements)
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References 46 publications
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“…Concerto 3 (Scalise & Allen, 2015) is the most flexible platform to that respect. It is designed for stand-alone deployment and uses the catR-library (Magis & Raîche, 2012), which offers different IRT testing strategies, several methods for next item selection, and three stopping rules. Tests and items can be designed by specifying HTML-templates using a drag-and-drop editor.…”
Section: Platforms For Web-based Delivery Of Catmentioning
confidence: 99%
“…Concerto 3 (Scalise & Allen, 2015) is the most flexible platform to that respect. It is designed for stand-alone deployment and uses the catR-library (Magis & Raîche, 2012), which offers different IRT testing strategies, several methods for next item selection, and three stopping rules. Tests and items can be designed by specifying HTML-templates using a drag-and-drop editor.…”
Section: Platforms For Web-based Delivery Of Catmentioning
confidence: 99%
“…Criteria applicable to both unidimensional and multidimensional adaptive tests are the "KL" and "KLn" method for the point-wise Kullback-Leibler divergence and the point-wise Kullback-Leibler with a decreasing delta value (∆ · √ n, where n is the number of items previous answered), respectively, "IKLP" and "IKL" for the integration based Kullback-Leibler criteria with and without the prior density weight, and "IKLn" and "IKLPn" for the √ n sequentially weighted counter-parts of the integration criteria (Chang and Ying 1996). Possible inputs for unidimensional adaptive tests include "MI" for the maximum information criteria, "MEPV" for minimum expected posterior variance, "MLWI" for maximum-likelihood with weighted information, "MPWI" for maximum posterior weighted information, and "MEI" for maximum expected information (see Magis and Raîche 2012, and the references therein for further elaboration of these methods).…”
Section: Gui Inputs For Mirtcat()mentioning
confidence: 99%
“…Several criteria have been proposed for unidimensional CATs to select optimal items for ability and classification designs, many of which have been implemented in unidimensional CAT software in R (e.g., see Magis and Raîche 2012). Fewer MCAT criteria have been proposed in the literature, though a small number of criteria are available.…”
Section: Introductionmentioning
confidence: 99%
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“…Several technical details are also included in Appendix A. The package itself will not be described again, so we refer the interested reader to Magis and Raîche (2012) for more details.…”
Section: Introductionmentioning
confidence: 99%