Former Staff Member
Xiang is a member of the research team. A psychometrician and statistician by training, Xiang received a Ph.D. in measurement and evaluation from Teachers College, Columbia University. He also attended Maryville College, TN and received a B.A. in mathematics and computer science. Xiang's research interests are mostly in the theoretical and technical issues involved in the development of statistical methods for social sciences and education. His methodological expertise are in the area of latent variable modeling, categorical data analysis, statistical computing, and probability.