Session Chair of the 1995 Annual Meeting of Chinese American Educational Research and Development Association, September 22-23, 1996 in Chicago, Illinois.

Discussant of a session on Regression and Correlation Models during the 1995 annual meeting of American Educational Research Association in San Francisco, CA: April 18-22, 1995.

American Educational Research Association, April 20-24, 1992, San Francisco, CA. Context Effects Influencing the Restatement of Numerical Probabilities.

International Educational statistics and Measurement symposium, April 18-20, 1991, Taiwan Teachers College (Taiwan R.O.C.). Comparisons of English and Chinese Probability Terms.

International symposium of statistics, 1990 (Taipei, Taiwan). The Role of Probability terms in Statistical Analyses.

• National Council on Measurement in Education

• Midwestern Educational Research Association Psychometrika Society

• SAS User's Group