. (2009). Constraint-Weighted a-Stratification for Computerized Adaptive Testing With Nonstatistical Constraints. Educational and Psychological Measurement, 69, 35-49. doi:10.1177/0013164408322030
. (2008). Bayesian Procedures for Identifying Aberrant Response-Time Patterns in Adaptive Testing. Psychometrika, 73, 365-384. Retrieved from http://dx.doi.org/10.1007/s11336-007-9046-8