1. Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory.Englewood Cliffs, NJ: Prentice-Hall.
2. Bull, S. (2008). Internet and other computer technology-based interventions for STD/HIV prevention. In T. Edgar, S. M. Noar, & V. Freimuth (Eds.),Communication perspectives on HIV/AIDS for the 21st century(pp. 351–376). New York: Erlbaum.
3. Byrne, S. & Hart, P. S. (this volume). The boomerang effect: A synthesis of findings and a preliminary theoretical framework. In C. S. Beck (Ed.),Communication Yearbook 33(pp. 3–37). New York: Routledge.
4. Cappella, J. N. (2006). Integrating message effects and behavior change theories: Organizing comments and unanswered questions.Journal of Communication, 56, S265–S279.
5. Fishbein, M. & Ajzen, I. (1975). Belief, attitude, intention and behavior: An introduction to theory and research.Reading, MA: Addison-Wesley.