Extended Shadow Test Approach for Constrained Adaptive Testing. Research Report.

Autor/inn/en	Veldkamp, Bernard P.; Ariel, Adelaide
Institution	Twente Univ., Enschede (Netherlands). Faculty of Educational Science and Technology.
Titel	Extended Shadow Test Approach for Constrained Adaptive Testing. Research Report.
Quelle	(2002), (30 Seiten) PDF als Volltext kostenfreie Datei Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Monographie
Schlagwörter	Adaptive Testing; Computer Assisted Testing; Item Banks; Test Construction; Test Items + Suchen Sie Ihr Suchwort? Testaufbau; Test content; Testaufgabe
Abstract	Several methods have been developed for use on constrained adaptive testing. Item pool partitioning, multistage testing, and testlet-based adaptive testing are methods that perform well for specific cases of adaptive testing. The weighted deviation model and the Shadow Test approach can be more generally applied. These methods are based on different ideas about how to optimize the performance of computerized adaptive testing (CAT), and they have different advantages. In this paper, both ideas are combined, and a new approach for selecting items in CAT, the Extended Shadow Test approach is presented. The performances of the Extended Shadow Test Approach, the Shadow Test approach, and the weighted deviation model are compared using simulation and existing item pools. The Extended Shadow Test approach shows accurate performance. Recommendations are given about its use. (Contains 4 tables and 22 references.) (Author/SLD)
Anmerkungen	Faculty of Educational Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands. E-mail: Fox@edte.utwente.nl.
Erfasst von	ERIC (Education Resources Information Center), Washington, DC