%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 %@ 0146-6216 %G eng