%0 Book Section %D 2009 %T Item selection with biased-coin up-and-down designs %A Sheng, Y. %A Sheng, Z. %C D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. %G eng %0 Book Section %D 2007 %T Up-and-down procedures for approximating optimal designs using person-response functions %A Sheng, Y. %A Flournoy, N. %A Osterlind, S. J. %C D. J. Weiss (Ed.). Proceedings of the 2007 GMAC Conference on Computerized Adaptive Testing. %G eng