Lei, P. - W., Chen, S. - Y., & Yu, L..  (2006).  Comparing methods of assessing differential item functioning in a computerized adaptive testing environment. Journal of Educational Measurement, 43, 245-264.

Chen, S. - Y., & Lei, P. - W..  (2005).  Controlling item exposure and test overlap in computerized adaptive testing. Applied Psychological Measurement, 29, 204-217.

Chen, S. - Y., & Ankenmann, R. D..  (2004).  Effects of practical constraints on item selection rules at the early stages of computerized adaptive testing. Journal of Educational Measurement, 41, 149-174.

Chen, S. - Y., Ankenmann, R. D., & Spray, J. A..  (2003).  The relationship between item exposure and test overlap in computerized adaptive testing. Journal of Educational Measurement, 40, 129-145.

Chen, S. - Y., Ankenmann, R. D., & Chang, H. - H..  (2000).  A comparison of item selection rules at the early stages of computerized adaptive testing. Applied Psychological Measurement, 24, 241-255.