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This publication bargains a complete creation to the most recent advancements within the conception and perform of CAT. it may be used either as a uncomplicated reference and a precious source on attempt conception. It covers such themes as merchandise choice and talent estimation, merchandise pool improvement and upkeep, merchandise calibration and version healthy, and testlet-based adaptive checking out, in addition to the operational points of current large-scale CAT courses.
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Additional resources for Computerized Adaptive Testing: Theory and Practice
J. (1990). The construction of customized two-stage tests. Journal of Educational Measurement, 27, 241-253. Armstrong, R. , & Jones, D. H. (1992). Polynomial algorithms for item matching. Applied Psychological Measurement, 16, 271-288. Birnbaum, A. (1968). Some latent trait models and their use in inferring an examinee’s ability. In F. M. Lord & M. R. Novick, Statistical theories of mental test scores (pp. 397-479). Reading, MA: Addison-Wesley. , &; Ying, Z. (1999).
They also allow for an easy periodical update of the parameter estimates from response data when the adaptive test is operational. If the item selection is based on point estimates of ability, the regressed value of on the predictor variables, can be used as the prior ability estimate for which the initial item is selected. If the items are selected using a full prior distribution for the choice of prior following (32)-(33) is Empirical initialization of adaptive tests does have more than just statistical advantages.
Veerkamp, W. J. J. , & Berger, M. P. F. Item-selection criteria for adaptive testing. Journal of Educational and Behavioral Statistics, 22, 203-226. , & Braswell, J. (1991). Building algebra testlets: A comparison of hierarchical and linear structures. Journal of Educational Measurement, 28, 311-323. , Hanson, B. -M. A. (1999). Reducing bias in CAT trait estimation: A comparison of approaches. Applied Psychological Measurement, 23, 263-278. Wang, T. &, Vispoel, W. P. (1998). Properties of ability estimation methods in computerized adaptive testing.