By Wim J. van der Linden, Cees A.W. Glas
Modern computing device know-how has spread out numerous new percentages for optimizing the management of academic and mental checks. In desktop adaptive checking out (CAT), checks are instantly adapted to the skillability point of the person examinees. at the moment, approximately all large-scale checking out courses within the western international are already adaptive or within the strategy of turning into so. Written by way of energetic CAT researchers from Europe and North the USA, the chapters supply a complete creation to the newest advancements within the conception and perform of CAT. The ebook can be utilized either as a easy reference at the state-of-the-art in CAT and a invaluable source in graduate classes on try idea. The theoretical chapters during this e-book hide such subject matters as merchandise choice and skill estimation, merchandise pool improvement and upkeep, merchandise calibration and version healthy, and testlet-based adaptive trying out. the sensible chapters describe the operational features of current large-scale CAT programs.
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Additional resources for Computerized Adaptive Testing: Theory and Practice
The model is formulated as follows: CONSTRAINED ADAPTIVE TESTING subject to 37 38 VAN DER LINDEN The constraints in (9) fix the values of the decision variables of all items already administered to 1. In doing so, the model automatically accounts for the attributes of all these items (Step 6 in the pseudoalgorithm). The constraints in (10)-(11) serve a double goal. On the one hand, they constrain the number of items per stimulus. On the other hand, the variables for the stimuli in the right-hand sides of these constraints keep the selection of the items and stimuli consistent.
M. Lord & M. R. Novick, Statistical theories of mental test scores (pp. 397-479). Reading, MA: Addison-Wesley. Bock, R. , & Mislevy, R. J. (1988). Adaptive EAP estimation of ability in a microcomputer environment. Applied Psychological Measurement, 6, 431-444. , & Ying, Z. (1996). A global information approach to computerized adaptive testing. Applied Psychological Measurement, 20, 213-229. , & Ying, Z. multistage computerized adaptive testing. Applied Psychological Measurement, 23, 211-222. , & Ying, Z.
L. (1993). A model and heuristic for solving very large item selection problems. Applied Psychological Measurement, 17, 151-166. Sympson, J. B. & Hetter, R. D. (1985, October).