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Conflicted and Relevant: Systematic Processing of Information on PFAS Contamination.

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Area of Science:

  • Environmental Health
  • Risk Communication
  • Psychology

Background:

  • Per- and polyfluoroalkyl substances (PFAS) pose a growing environmental and public health concern.
  • Effective communication strategies are needed to address public understanding of PFAS risks.

Purpose of the Study:

  • To investigate how conflicting information and personal relevance influence public perception of PFAS contamination.
  • To examine the effects on information insufficiency and information processing.

Main Methods:

  • An online experiment involving 1,062 U.S. adults.
  • A 2x2 factorial design manipulating information type (conflicting vs. consistent) and personal relevance (high vs. low).

Main Results:

  • Information insufficiency was highest when personal relevance was high and information was consistent.
  • Personal relevance directly impacted information processing.
  • Conflicting information increased information processing indirectly via information insufficiency, but only with low personal relevance.

Conclusions:

  • Consistent and personally relevant information is crucial for managing public risk perception of PFAS.
  • Tailoring communication strategies based on personal relevance can enhance information processing.