Littering as a Function of Prior Litter and the Presence or Absence of Prohibitive Signs

Articles
Reiter, S. M. & Samuel, W. (1980). Littering as a function of prior litter and the presence or absence of prohibitive signs . Journal of Applied Social Psychology, 10, 1, 45-55.
The purpose of the present study was to determine the effect on littering behavior of (1) two ways of antilitter signs and (2) the condition of the environment (littered vs. unlit…

Encouraging Environmentally Friendly Shopping using Prompts, Commitment and Norms

Cases
Customers at a Zehr's supermarket in Kitchener, Ontario were encouraged to purchase environmentally friendly products. 168 products were identified that either had least-waste pac…

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.
Washington State used market research to identify the primary barriers to buying recycled products. Although concerns about price and quality were not addressed during this campai…

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

Cases
Based on information obtained from a literature review, norms and prompts were incorporated into a pilot program designed to improve participation in curbside recycling. City bloc…

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.
A literature review revealed that sign prompts can be effective in reducing the amount of litter. In order to further investigate the effects of prompts, a questionnaire was given…

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.
A literature review revealed that sign prompts can be effective in reducing the amount of litter. In order to further investigate the effects of prompts, a questionnaire was given…

Motivating Community Recycling: New Zealand Curbside Trial

Cases
Randomly selected residents of New Zealand were asked to participate in a curbside recycling trial. Two weeks before the first collection they received a letter from the mayor tha…

Waste Wise Program

Cases
Waste Wise is a free, voluntary program set up by the United States Environmental Protection Agency (EPA) which attempts to eliminate costly municipal solid waste. Waste Wise targ…

Recycling at Festivals and Public Events

Cases
The international environmental agency for local governments (ICLEI) have a mission to build and serve a worldwide movement of local governments to achieve tangible improvements i…

Prompts and Posted Feedback: In Search of an Effective Method of Litter Control

Articles
Dixon, R. S., Knott, T., Rowsell, H. & Sheldon, L. (1992). Prompts and posted feedback: In search of an effective method of litter control. Behaviour Change, 9, 1, 2-7.
Compared the effectiveness of prompts (PRs [signs]) and posted feedback (PFB) as litter control strategies in 2 university cafeterias. Patronage and litter rates were monitored da…

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