Any program or intervention developed must address the social context and work to change individuals' thoughts about social norms. The overall strength of SIT is that of the interactivity of key constructs (socialization, selection, and social norms). I would like to point out that the degree to which social influences influence health behavior remains unclear. ReferencesDiClemente, R.J., Crosby, R.A., & Kegler, M.C. (Eds.) (2009). Emerging theories in health promotion practice and research. (2nd ed.). San Francisco, CA: Jossey-BassFlatt, J.D., Agimi, Y., & Albert, M. (20121). Homophily and health behavior in older adults' social networks. Family and Community Health, 35(4), 312-321. Retrieved from http://dx.doi.org/10.1097/FCH.0b01e3182666650 Keyes, K. M., Schulenberg, J. E., O'Malley, P. M., Johnston, L. D., Bachman, J. G., Li, G. & Hasin, D. (2012) . Birth cohort effects on adolescent alcohol use: The influence of social norms from 1976 to 2007. Archives of General Psychiatry, 69(12), 1304-1313. Retrieved from http://dx/doi.org/10.1001/archgenpsychiatry.2012.787 Simons-Morton, B., McLeroy, K. R., & Wendel, M. L. (2012). Behavioral theory in health promotion practice and research. Burlington, Mass.: Jones &