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Addressing Chemophobia: Informational versus affect-based approaches.

Rita Saleh1, Angela Bearth1, Michael Siegrist1

  • 1Consumer Behavior, Institute for Environmental Decisions, ETH Zurich, Universitaetstrasse 22, 8092, Zurich, Switzerland.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
|April 30, 2020
PubMed
Summary
This summary is machine-generated.

Providing knowledge about toxicology, not just emotional appeals, effectively reduces chemophobia (fear of chemicals). This informational approach also decreased the preference for natural substitutes in products.

Keywords:
AffectChemophobiaKnowledgeRisk communicationRisk perceptionToxicology

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Area of Science:

  • Toxicology
  • Risk Communication
  • Psychology

Background:

  • Chemophobia, an irrational fear of chemicals, is prevalent and impacts public perception of chemical safety.
  • Effective communication strategies are crucial for addressing public concerns about chemicals.

Purpose of the Study:

  • To compare the effectiveness of informational and affect-based communication strategies in reducing chemophobia.
  • To assess the impact of these strategies on toxicological knowledge, affect towards chemicals, benefit perception, and preference for natural substitutes.

Main Methods:

  • An online experiment with 448 participants randomly assigned to control, knowledge (informational), or affect (affect-based) groups.
  • Dependent variables included chemophobia, toxicological knowledge, affect, benefit perception, and preference for natural substitutes.

Main Results:

  • The informational approach significantly reduced chemophobia and preference for natural substitutes.
  • The affect-based approach increased positive affect and benefit perception but did not reduce chemophobia.
  • Knowledge of basic toxicological principles was key to reducing fear.

Conclusions:

  • Informational communication, emphasizing toxicological principles, is more effective in reducing chemophobia than affect-based communication.
  • Public education on toxicology, delivered by trusted experts, can mitigate irrational fears of chemicals.