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Related Experiment Videos

Public meetings and risk amplification: a longitudinal study.

Katherine A McComas1

  • 1Deparment of Communication, Cornell University, Ithaca, NY 14853-7601, USA. Kam19@cornell.edu

Risk Analysis : an Official Publication of the Society for Risk Analysis
|December 4, 2003
PubMed
Summary

Attending public meetings about waste sites affected attendees' risk perceptions and trust in risk managers. Initial meetings increased perceived risk and decreased credibility, but later meetings showed varied effects on trust.

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Area of Science:

  • Environmental Communication
  • Risk Perception Studies
  • Community Engagement

Background:

  • Rural communities face challenges with solid waste landfill expansion and hazardous waste site remediation.
  • Public meetings are a common forum for communicating risks and engaging stakeholders in environmental decisions.

Purpose of the Study:

  • To longitudinally track how attending public meetings influences risk perceptions and the credibility of risk managers.
  • To analyze the differential effects of public meeting attendance on community members' views.

Main Methods:

  • Longitudinal study using mailed questionnaires administered before and after public meetings.
  • Inclusion of both meeting attendees and nonattendees, with dynamic participation over time.
  • Measurement of risk perceptions and perceived credibility of state agencies and industry.

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Main Results:

  • Attendees initially perceived greater risks and lower credibility of risk managers compared to nonattendees.
  • Credibility perceptions of government agencies fluctuated, decreasing after the third meeting and increasing after the fourth.
  • Industry credibility increased among recent attendees, while nonattendees' perceptions remained unchanged.

Conclusions:

  • Public meeting communication characteristics can distinctly impact attendee risk perceptions and trust in risk managers over time.
  • Further research is needed to understand the specific communication elements driving these observed effects.