Severity of Organized Item Theft in Computerized Adaptive Testing: A Simulation Study. Applied Psychological Measurement, 32, 543-558. doi:10.1177/0146621607311336
. (2008). Hypergeometric family and item overlap rates in computerized adaptive testing. Psychometrika, 67, 387-398. Retrieved from http://dx.doi.org/10.1007/BF02294991
. (2002).