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Meijer, Rob R.; van Krimpen-Stoop, Edith M. L. A. – 2003
In this study a cumulative-sum (CUSUM) procedure from the theory of Statistical Process Control was modified and applied in the context of person-fit analysis in a computerized adaptive testing (CAT) environment. Six person-fit statistics were proposed using the CUSUM procedure, and three of them could be used to investigate the CAT in online test…
Descriptors: Adaptive Testing, Computer Assisted Testing, Simulation, Test Construction
Peer reviewed Peer reviewed
van Krimpen-Stoop, Edith M. L. A.; Meijer, Rob R. – Journal of Educational and Behavioral Statistics, 2001
Proposed person-fit statistics that are designed for use in a computerized adaptive test (CAT) and derived critical values for these statistics using cumulative sum (CUSUM) procedures so that item-score patterns can be classified as fitting or misfitting. Compared nominal Type I errors with empirical Type I errors through simulation studies. (SLD)
Descriptors: Adaptive Testing, Computer Assisted Testing, Simulation, Test Construction
Peer reviewed Peer reviewed
Meijer, Rob R.; Nering, Michael L. – Applied Psychological Measurement, 1999
Provides an overview of computerized adaptive testing (CAT) and introduces contributions to this special issue. CAT elements discussed include item selection, estimation of the latent trait, item exposure, measurement precision, and item-bank development. (SLD)
Descriptors: Adaptive Testing, Computer Assisted Testing, Item Banks, Selection