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Characterizing perception of ecological risk

T McDaniels1, L J Axelrod, P Slovic

  • 1University of British Columbia, Westwater Research Centre, Vancouver, Canada.

Risk Analysis : an Official Publication of the Society for Risk Analysis
|October 1, 1995
PubMed
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Human perception significantly influences ecological risk management. This study identifies five key factors in judging environmental risks: species impact, human benefits, human impact, avoidability, and knowledge.

Area of Science:

  • Environmental Science
  • Psychology
  • Risk Management

Background:

  • Limited research exists on human perception in ecological risk management.
  • This study applies the psychometric paradigm from human health risk perception to ecological contexts.

Purpose of the Study:

  • To characterize perceived ecological risk using a psychometric approach.
  • To identify key factors influencing judgments about environmental risks.

Main Methods:

  • Elicited risk items and scale characteristics from focus groups.
  • Surveyed 68 university students rating 65 items on 30 scales and general environmental risk.
  • Utilized factor analysis to identify judgment structures.

Main Results:

Related Experiment Videos

  • Five factors emerged from factor analysis: impact on species, human benefits, impact on humans, avoidability, and knowledge of impacts.
  • These factors provide a plausible characterization of perceived ecological risk.
  • Mean responses for individual items were analyzed and compared.

Conclusions:

  • Human perception and judgment are crucial components of ecological risk management.
  • The identified factors offer a framework for understanding and assessing perceived ecological risks.
  • Further research can build upon these findings to improve risk communication and decision-making.