An examination of conditioning variables in DIF analysis in a computer adaptive testing environment. In Paper presented at the annual meeting of the National Council on Measurement in Education. Montreal, Canada.
. (1999). An examination of conditioning variables used in computer adaptive testing for DIF analyses. Applied Measurement in Education, 14, 3-16.
. (2001). A Monte Carlo Simulation Investigating the Validity and Reliability of Ability Estimation in Item Response Theory with Speeded Computer Adaptive Tests. International Journal of Testing, 10, 230-261. doi:10.1080/15305058.2010.488098
. (2010).