Contact Information

Center for Advanced Studies in
Measurement and Assessment (CASMA)
297 Lindquist Center North
University of Iowa
Iowa City, IA 52242-1529

• Ph.D. 1995, College of Education, University of Iowa
• M.A. 1989, College of Educational Sciences, East China Normal University
• B.S. 1985, Department of Physics, East China Normal University

• Engage in research projects for CASMA

• Center for Advanced Studies in Measurement and Assessment (CASMA)

• 2003-2004 Independent Consultant
• 2002 Associate Professor in Measurement, Western Michigan University
• 2000-2001 Principal Research Associate, ACT
• 1995-2000 Research Associate and Senior Research Associate
• 1993-1995 Research Specialist

• Wang, T. & Zhang, J. (2003). Optimal partitioning of testing time: theoretical properties and practical implications. Conditionally accepted by Psychometrika.
• Wang, T., & Hanson, B. A. (2003). Development and calibration of an item response model that incorporates response time. Conditionally accepted by Applied Psychological Measurement.
• Wang, T., & Kolen, M. J. (2001). Evaluating comparability in computerized adaptive testing: Issues, Criteria and an example. Journal of Educational Measurement, 38, 19-49.
• Wang, T., Hanson, B. A., & Harris, D. J. (2000). The effectiveness of circular equating as a criterion for evaluating equating. Applied Psychological Measurement, 24, 195-210.
• Wang, T., Kolen, M. J., & Harris, D. J. (2000). Psychometric properties of scale scores and performance levels for performance assessment using polytomous IRT. Journal of Educational Measurement, 37, 141-162.
• Wang, T., Hanson, B. A., & Lau, C. (1999). Reducing bias in CAT trait estimates: a comparison of approaches. Applied Psychological Measurement.,23, 263-278.
• Wang, T. (1998). Weights that maximize reliability under a congeneric model. Applied Psychological Measurement, 22, 179-187.
• Wang, T., & Zeng, L. (1998). Item parameter estimation for a continuous response model via an EM algorithm. Applied Psychological Measurement, 22, 333-344.
• Wang, T., & Vispoel, W. P. (1998). Properties of ability estimation methods in computerized adaptive testing. Journal of Educational Measurement, 35, 109-135.
• Vispoel, W. P., & Wang, T. (1997). Computerized adaptive and fixed-item testing of music listening skill: A comparison of efficiency, precision, and concurrent validity. Journal of Educational Measurement, 34, 43-63.
• Wang, T., & Kolen, M. J. (1996). A quadratic curve equating method to equate the first three moments in equipercentile equating. Applied Psychological Measurement, 20, 27-43.