Abstract
A major research direction for ability measurement has been to identify the information-processes that are involved in solving test items through mathematical modeling of item difficulty. However, this research has had limited impact on ability measurement, since person parameters are not included in the process models. The current paper presents some multicomponent latent trait models for reproducing test performance from both item and person parameters on processing components. Components are identified from item subtasks, in which performance is a logistic function (i.e., Rasch model) of person and item parameters, and then are combined according to a mathematical model of processing on the composite item.
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Reference Notes
Whitely, S. E. & Schneider, L.Process outcome models for verbal aptitude (Tech. Rep. No. NIE-80-1 for National Institute of Education grant NIE-6-7-0156). Lawrence, Kansas: Department of Psychology, University of Kansas, April, 1980.
Frederiksen, J. R.A chronometric study of component skills in reading (NR 154–386 ONR Tech. Rep. 2). Cambridge, MA: Bolt, Beranek & Newman, 1978.
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The author would like to thank David Thissen for his invaluable insights concerning this model and an anonymous reviewer for his suggestion about the sample space for the model.
This research was partially supported by National Institute of Education grant number NIE-6-7-0156 to Susan E. Whitely, principal investigator. However the opinions expressed herein do not necessarily reflect the position or policy of the National Institute of Education, and no official endorsement by the National Institute of Education should be referred. Part of this paper was presented at the annual meeting of thePsychometric Society, Monterey, California: June, 1979.
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Whitely, S.E. Multicomponent latent trait models for ability tests. Psychometrika 45, 479–494 (1980). https://doi.org/10.1007/BF02293610
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DOI: https://doi.org/10.1007/BF02293610