The Effects of an Ambiguous, Negative Sign Prompt and a Clearly-Stated Positive Sign Prompt on Intentions to Litter
Horsley, A. D. (1988). The unintended effects of a posted sign on littering attitudes and stated intentions. Journal of Environmental Education, 19, 3, 10-14.
Using Proximity of Trash Cans and Ash Trays to Increase Convenience of Separating Litter in a Blacksburg, Virginia Shopping Mall
Geller, E. S., Brasted, W. S. & Mann, M. F. (1979). Waste receptacle designs as interventions for litter control. Journal of Environmental Systems, 9, 2, 145-160.
Using Block Leaders and Prompts to Improve Participation in Curbside Recycling in Denver Colorado
The Effect of Sign Prompts and Modeling on Encouraging Dog Owners to Pick-up Dog Droppings in Chicago, Illinois
Jason, L. A., Zolik, E. S., & Matese, F. J. (1979). Prompting dog owners to pick up dog droppings. American Journal of Community Psychology, 7, 3, 339-351.
Increasing Paper Recycling in Portland Oregon Dormitories Using Incentives and Commitment
Wang, T. H. & Katzev, R. D. (1990). Group commitment and resource conservation: Two field experiments on promoting recycling. Journal of Applied Social Psychology, 20, 4, Part 1, 265-275.
Using Information and Prompts to Increase Awareness of an Environmental Product Tagging Program in Grocery Stores
Linn, N., Vining, J., & Feeley, P. A. (1994). Toward a sustainable society: Waste minimization through environmentally conscious consuming. Journal of Applied Social Psychology, 24, 17, 1550-1572.
The Effects of Sign Prompts and Large Receptacles on Highway Littering in Richmond, Virginia
Finnie, W. C. (1973). Field experiments in litter control. Environment and Behavior, 5, 2, 123-144.
The Effects of an Ambiguous, Negative Sign Prompts and a Clearly-Stated Positive Sign Prompt on Intentions to Litter
Horsley, A. D. (1988). The unintended effects of a posted sign on littering attitudes and stated intentions. Journal of Environmental Education, 19, 3, 10-14.
Using a Normative Appeal to Control Litter at a Public Swimming Pool
Reich, J. W., & Robertson, J. L. (1979). Reactance and norm appeal in anti-littering messages. Journal of Applied Social Psychology, 9, 1, 91-101.
