TY - CHAP T1 - Quantifying the impact of compromised items in CAT Y1 - 2009 A1 - Guo, F. CY - D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. N1 - {PDF File, 438 KB} ER - TY - ABST T1 - Quality control of on-line calibration in computerized adaptive testing (Research Report 98-03) Y1 - 1998 A1 - Glas, C. A. W. CY - Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis ER -