K. M. Lewis, Dubois, D. L., Bavarian, N., Acock, A., Silverthorn, N., Day, J., Ji, P., Vuchinich, S., and Flay, B. R.,
“Effects of Positive Action on the Emotional Health of Urban Youth: A Cluster-Randomized Trial”,
Journal of Adolescent Health, vol. 53, no. 6, pp. 706 - 711, 2013.
F. J. Snyder, Acock, A., Vuchinich, S., Beets, M. W., Washburn, I. J., and Flay, B. R.,
“Preventing Negative Behaviors Among Elementary-School Students Through Enhancing Students' Social-Emotional and Character Development”,
American Journal of Health Promotion, vol. 28, no. 1, pp. 50 - 58, 2013.