Kristen Fay Poston
Research Scientist, NIOST
Ph.D. and M.A., Tufts University, B.A., Wellesley College
Link to CV
Research interests include youth and adolescent development with a focus on physical activity, healthy eating, and out-of-school time.
Kristen Fay Poston, Ph.D. was a research scientist at the National Institute of Out-of-School Time (NIOST) for several years through 2016, and a visiting lecturer in the psychology department at Wellesley College. She remains in the latter position where she teaches courses in adolescent and adult psychology. Her research focused primarily on identifying and describing the individual and contextual factors that influence developmental trajectories of positive psychological and physical health among adolescents, most specifically with regard to weight regulation and perception, dietary habits, eating attitudes and behaviors, and patterns of physical activity. She usef an interdisciplinary approach that integrates psychological theories with nutrition science, education, public health, and psychiatric perspectives. Methodologically, Poston has worked with a variety of longitudinal and cross-sectional data sets.