%0 Book Section %B New developments in psychometrics %D 2003 %T Item selection in polytomous CAT %A Veldkamp, B. P. %E A. Okada %E K. Shigenasu %E Y. Kano %E J. Meulman %K computerized adaptive testing %B New developments in psychometrics %I Psychometric Society, Springer %C Tokyo, Japan %P 207–214 %G eng