Washington State Promotes the Purchase of Recycled Content Products With Prompts in the "Get in the Loop, Buy Recycled" Program

Cases
King County commission for Marketing Recyclable Materials & Atwood, A. M. (1994). Consumer research survey: Knowledge, attitudes, and purchase of recycled-content products. King County Commission for Marketing Recyclable Materials.
During the 1994-1995 program year, "Get in the L, Buy Recycled" has a budget of US$ 275,000. Funding for the campaign came from the State of Washington, participating recycled pr…

Increasing Participation in Curbside Paper Recycling Using Verbal Prompts in Chicago

Cases
Spaccarelli, S., Zolik, E. & Jason, L. A. (1989-1990). Effects of verbal prompting and block characteristics on participation in curbside newspaper recycling. Journal of Environmental Systems, 19, 1, 45-57.
The information only group had only 2.4% of participants recycle at least once during the 21 weeks following the intervention. In contrast, 30% of the information and verbal prom…

Using a Uniquely Designed Waste Recepticle as a Prompt to Control Litter in a Shopping Mall in Blacksburg, Virginia

Cases
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.
Overall, the weekly average weight of the refuse in regular cans was 9.34 lbs. To compare, the average weight of trash in the bird cans was 15.05 lbs. Moreover, the bird cans ha…

The Effects of an Ambiguous, Negative Sign Prompt and a Clearly-Stated Positive Sign Prompt on Intentions to Litter

Cases
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.
Thirty percent of participants responded that the "Please save our landscapes: don't litter" prompt would make them think about the litter problem. Furthermore, 20% indicated tha…

Using Block Leaders and Prompts to Improve Participation in Curbside Recycling in Denver Colorado

Cases
Although all interventions improved particiaptions, it is clearly the block leaders who had the most significant impact on behavior. Fully one third of residents were recycling by…

The Effect of Sign Prompts and Modeling on Encouraging Dog Owners to Pick-up Dog Droppings in Chicago, Illinois

Cases
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.
Only 5% of dog owners picked up after their pets during baseline observations. Sign prompts alone were not effective in encouraging pick up behavior as only 6% of dog owners obey…

Using Information and Prompts to Increase Awareness of an Environmental Product Tagging Program in Grocery Stores

Cases
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 educational pamphlets alone did not increase awareness of the environmental program. On the other hand, 44% reported seeing the sign prompts, 34% saw signs about the product …

The Effects of Sign Prompts and Large Receptacles on Highway Littering in Richmond, Virginia

Cases
Finnie, W. C. (1973). Field experiments in litter control. Environment and Behavior, 5, 2, 123-144.
Overall, litter was reduced by 28.6% when trash cans were present. No statistical differences were found between the highway with sign prompts and the highway without.

The Effects of an Ambiguous, Negative Sign Prompts and a Clearly-Stated Positive Sign Prompt on Intentions to Litter

Cases
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.
Thirty percent of participants responded that the "Please save our landscapes: don't litter" prompt would make them think about the litter problem. Furthermore, 20% indicated tha…

Encouraging Environmentally Friendly Shopping using Prompts, Commitment and Norms

Cases
Analysis of electronic inventories indicated that the prompts did not increase the purchase of targeted items. That is, items that were identified with shelf-talkers (prompts) as…

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