Dr. Lijuan (Peggy) Wang’s research interests are in the areas of Bayesian modeling, cumulative data analysis, dyadic data analysis, (intensive) longitudinal data analysis, mediation analysis, moderation analysis, multilevel modeling, structural equation modeling, and study designs. Particularly, she is interested in developing methods for combinations of these areas such as studying mediation or moderation analytics from the longitudinal perspective and sample size planning for mediation and longitudinal studies. Substantively, she is interested in applying quantitative methods in clinical, developmental, education, family, and health research.