Research focuses on statistics and probability.
Has served as associate editor of the Journal of Statistical Planning and Inference and for the Journal of the American Statistical Association. She currently serves as a council member for the Institute of Mathematical Statistics and as chair of the American Statistical Association's Statistical Computing Section. Can help interpret issues such as opinion polls, quality improvement in manufacturing and numeracy in the United States. Research interests include sequential methods in survival analysis, Stochastic approximation, and Brownian Motion. In 1987, was awarded a Presidential Young Investigator Award.