Lipsitz, A., Kallmeyer, K., Ferguson, M., & Abas, A. (1989). Counting on blood donors: Increasing the impact of reminder calls. Journal of Applied Social Psychology, 19, 13, 1057-1067.

Moriarty, T. (1975). Crime, commitment, and the responsive bystander: Two field experiments. Journal of Personality and Social Psychology, 31, 2, 370-376.

Robottom, I., & Hart, P. (1995). Behaviorist EE research: Environmentalism as individualism. Journal of Environmental Education, 26, 2, 5-9.

Ryan, C. (1991). The effect of a conservation program on schoolchildren’s attitudes toward the environment. Journal of Environmental Education, 22, 4, 30-35.

Simmons, D. A. (1991). Are we meeting the goal of responsible environmental behavior? An examination of nature and environmental education center goals. Journal of Environmental Education, 22, 3, 16-21.

Kearney, A. R., & De Young, R. (1995). A knowledge-based intervention for promoting carpooling. Environment and Behavior, 27, 5, 650-678.

Shippee, G. E., & Gregory, W. L. (1982). Public commitment and energy conservation. American Journal of Community Psychology, 10, 1, 81-93.

Roberts, J. A. (1996). Green consumers in the 1990s: Profile and implications for advertising.. Journal of Business Research, 36, 3, 217-231.

Reams, M. A., Geaghan, J. P., & Gendron, R. C. (1996). The link between recycling and litter: A field study. Environment and Behavior, 28, 1, 92-110.

Karp, D. G. (1996). Values and their effect on pro-environmental behavior. Environment and Behavior, 28, 1, 111-133.