Spray, J. A., Abdel-Fattah, A. A., Huang, C. - Y., & Lau, C. A.. (1997). Unidimensional approximations for a computerized adaptive test when the item pool and latent space are multidimensional (Research Report 97-5). Iowa City IA: ACT Inc.

Jiao, H., Wang, S., & Lau, C. A.. (2004). An investigation of two combination procedures of SPRT for three-category classification decisions in computerized classification test. annual meeting of the American Educational Research Association. presented at the 04/2004, San Antonio, Texas.

Lau, C. A., & Wang, T.. (1999). Computerized classification testing under practical constraints with a polytomous model. annual meeting of the American Educational Research Association. presented at the 04/1999, Montreal, Quebec, Canada.

Lau, C. A., Abdel-Fattah, A. A., & Spray, J. A.. (1996). Using unidimensional IRT models for dichotomous classification via CAT with multidimensional data. In Poster session presented at the annual meeting of the American Educational Research Association. Boston MA.

Abdel-Fattah, A. A., Lau, C. A., & Spray, J. A.. (1996). Effect of altering passing score in CAT when unidimensionality is violated. In Paper presented at the annual meeting of the American Educational Research Association. presented at the April, New York NY.

Lau, C. A., & Wang, T.. (1998). Comparing and combining dichotomous and polytomous items with SPRT procedure in computerized classification testing. In Paper presented at the annual meeting of the American Educational Research Association. San Diego.

Lau, C. A. (1996). Robustness of a unidimensional computerized testing mastery procedure with multidimensional testing data. Unpublished doctoral dissertation, University of Iowa, Iowa City IA.