TY - CHAP T1 - Item selection with biased-coin up-and-down designs Y1 - 2009 A1 - Sheng, Y. A1 - Sheng, Z. CY - D. J. Weiss (Ed.), Proceedings of the 2009 GMAC Conference on Computerized Adaptive Testing. N1 - {PDF file, 748 KB} ER -