%0 Journal Article %J Applied Psychological Measurement %D 2002 %T Item selection in computerized adaptive testing: Improving the a-stratified design with the Sympson-Hetter algorithm %A Leung, C-K.. %A Chang, Hua-Hua %A Hau, K-T. %B Applied Psychological Measurement %V 26 %P 376-392 %G eng