JeeWon Cheong, Ph.D. received her doctorate in Psychology (Social/Quantitative Psychology) from Arizona State University.  Her research interests include (1) methods for testing mediation (i.e., methods for investigating underlying causal mechanisms), (2) applying state-of-the-art quantitative methods in prevention/intervention research, (3) substance use and related problem behaviors among adolescents and young adults, and (4) prevention and intervention of health risk behaviors (e.g., HIV, substance use, drinking-and-driving, risky sexual behaviors).