TY - CHAP T1 - Up-and-down procedures for approximating optimal designs using person-response functions Y1 - 2007 A1 - Sheng, Y. A1 - Flournoy, N. A1 - Osterlind, S. J. CY - D. J. Weiss (Ed.). Proceedings of the 2007 GMAC Conference on Computerized Adaptive Testing. N1 - {PDF file, 1,042 KB} ER -