. (2003). Assessing CAT security breaches by the item pooling index. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
. (2005). The effectiveness of using multiple item pools in computerized adaptive testing. In Annual meeting of the National Council on Measurement in Education . presented at the 04/2005, Montreal, Canada.
. (2003). Evaluating computer-based test security by generalized item overlap rates. In Paper presented at the annual meeting of the American Educational Research Association. Chicago IL.
. (2002). Identify the lower bounds for item sharing and item pooling in computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
. (2005). Identifying practical indices for enhancing item pool security. In Paper presented at the annual meeting of the National Council on Measurement in Education (NCME). Montreal, Canada.
. (2005). Rescuing CAT by fixing the problems. In National Council on Measurement in Education. Montreal, Canada.
. (2002). Hypergeometric family and item overlap rates in computerized adaptive testing. Psychometrika, 67, 387-398.