Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2003).  Computerized adaptive testing: A comparison of three content balancing methods. The Journal of Technology, Learning and Assessment, 2, 1-15.

Leung, C. - K., Chang, H. - H., Hau, K. - T., & Wen, z..  (2003).  Computerized adaptive testing: A comparison of three content balancing methods. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2003).  Incorporation of Content Balancing Requirements in Stratification Designs for Computerized Adaptive Testing. Educational and Psychological Measurement, 63, 257-70.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2002).  Comparing three item selection approaches for computerized adaptive testing with content balancing requirement. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2002).  Item selection in computerized adaptive testing: Improving the a-stratified design with the Sympson-Hetter algorithm. Applied Psychological Measurement, 26, 376-392.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2001).  An examination of item selection rules by stratified CAT designs integrated with content balancing methods. In Paper presented at the Annual Meeting of the American Educational Research Association. Seattle WA.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2000).  Content balancing in stratified computerized adaptive testing designs. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans, LA.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (2000).  Solving complex constraints in a-stratified computerized adaptive testing designs. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans, USA.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (1999).  An enhanced stratified computerized adaptive testing design. In Paper presented at the annual meeting of the American Educational Research Association. Montreal, Canada.

Leung, C. - K., Chang, H. - H., & Hau, K. - T..  (1999).  Item selection in computerized adaptive testing: improving the a-stratified design with the Sympson-Hetter algorithm. In Paper presented at the Annual Meeting of the American Educational Research Association. Montreal, CA.