Janet Rosenbaum is a postdoctoral fellow at the Institute for Health Research and Policy at the University of Illinois at Chicago. She develops and applies quantitative methods to understand and prevent adolescent risk behavior. Prior to joining UIC, she completed her Health Policy Ph.D. at Harvard where her dissertation focussed on the accuracy of adolescents' self-reported risk behaviors and the impact of virginity pledges on adolescents' sexual activity. She was also a summer associate at the RAND Corporation, where she completed a study of parent-adolescent communication and sex education. Dr. Rosenbaum's work has appeared in the American Journal of Public Health and Science, and she has presented at the national conferences for the American Statistical Association, American Public Health Association, Society for Adolescent Medicine, and the Federal Committee on Statistical Methodology. Dr. Rosenbaum received her Ph.D. in public health policy and statistics, M.A. in statistics, and B.A. in physics from Harvard University.