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Internal and External Factors' Influence on Recycling: Insights From a Laboratory Experiment With Observed Behavior
Noah Linder1, Sonny Rosenthal2, Patrik Sörqvist1
1Department of Building Engineering, Energy Systems and Sustainability Science, University of Gävle, Gävle, Sweden.
Environmental context significantly impacts recycling behavior, often more than personal intentions. Small environmental changes can align or override motivation, influencing pro-environmental actions.
Area of Science:
- Environmental Psychology
- Behavioral Science
- Sustainability Studies
Background:
- Pro-environmental behavior models often prioritize internal psychological factors like intentions and norms.
- The influence of the physical environment and its interaction with psychological factors on behavior is understudied.
Purpose of the Study:
- To investigate the relative influence of psychological and environmental factors on pro-environmental behavior.
- To examine the interaction between internal psychological factors and the physical context in decision-making.
Main Methods:
- A laboratory experiment involving 399 participants.
- Participants made a choice to dispose of a used plastic cup after a "yogurt taste test."
- The spatial positioning of recycling and general waste bins was manipulated.
Main Results:
- Bin placement explained over half the variance in recycling behavior, while intentions did not predict bin choice.
- Rinsing cups before recycling was linked to both intention and environmental factors.
- Minor changes in the choice context significantly affected behavior and its alignment with intentions.
Conclusions:
- The physical environment plays a critical role in shaping pro-environmental behavior, sometimes independently of personal motivation.
- Environmental design can be leveraged to promote desired behaviors and align actions with intentions.
- Future research should integrate environmental context into behavioral models for a more holistic understanding.
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