%0 Book Section %D 2009 %T Limiting item exposure for target difficulty ranges in a high-stakes CAT %A Li, X. %A Becker, K. %A Gorham, J. %A Woo, A. %C D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. {PDF File, 1. %G eng