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I am Associate Professor (with tenure) of Health Measurement, Biostatistics, and Data Science in the Division of Health Systems and Analytics in the School of Nursing and in the Department of Population Health Sciences in the School of Medicine at Duke University. I received my Ph.D. in Measurement and Quantitative Methods from Michigan State University and my M.S. in Statistics from Fuzhou University, China.

My research interests are causal inference, advanced statistical modeling, data analytics, meta-analysis, and psychometrics; and their applications in the social, behavioral, and health sciences. I have been involved as a Principal Investigator, Co-Investigator, and Principal Biostatistician in many research projects funded by federal agencies, such as NIH, NSF, and the like. I have published numerous refereed journal articles on both methodological and applied research.

I was awarded the Outstanding Ph.D. Faculty Award by the Duke University School of Nursing. I am Immediate Past Chair of the Applied Public Health Statistics Section of the American Public Health Association.