1. Andrews, J., Tildesley, E., Hops, H., Duncan, S., & Severson, H. (2003). Elementary school age children’s future intentions and use of substances. Child and Adolescent Psychology, 32(4), 556–576. doi: 10.1207/S15374424JCCP3204_8 .
2. Austin, S., & Gortmaker, S. (2001). Dieting and smoking initiation in early adolescent girls and boys: A prospective study. American Journal of Public Health, 91(3), 446–450.
3. Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Englewood Cliffs, NJ: Prentice Hall.
4. Bandura, A. (1993). Perceived self-efficacy in cognitive development and functioning. Educational Psychologist, 28(2), 117–148. doi: 10.1207/s15326985ep2802_3 .
5. Beets, M., Flay, B., Vuchinich, S., Snyder, F., Acock, A., Burns, K., Washburn, I., Dane, A. V., & Schneider, B. H. (2009). Program integrity in primary and early secondary prevention: Are implementation effects out of control? Clinical Psychology Review, 18(1), 23–45. Retrieved from: http://www.sciencedirect.com/science/article/pii/S0272735897000433 .