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Source Credibility in Environmental Health – Risk Controversies: Application of Meyer's Credibility Index

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  • Katherine A. McComas
  • Craig W. Trumbo

Abstract

This article applies an existing five‐item index for measuring source credibility in the context of environmental health – risk controversy. Survey data were gathered in five upstate New York communities facing environmental health – risk issues. Analysis of the five case studies and a combined dataset (N= 870) show that the credibility index was consistently reliable across all applications. Use of the resulting index is demonstrated through a comparison of the credibility of the New York State Department of Health (active in each case), the industries associated with each case, and the newspaper providing coverage of each case. The credibility index was used to predict risk judgments in a structural equation model. Overall, the analysis demonstrated that the credibility index performed consistently well across the five cases and illuminated important differences in each. As such, the index should be a useful addition to many environmental health and risk communication studies.

Suggested Citation

  • Katherine A. McComas & Craig W. Trumbo, 2001. "Source Credibility in Environmental Health – Risk Controversies: Application of Meyer's Credibility Index," Risk Analysis, John Wiley & Sons, vol. 21(3), pages 467-480, June.
    • Handle: RePEc:wly:riskan:v:21:y:2001:i:3:p:467-480
    DOI: 10.1111/0272-4332.213126
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    Cited by:

    1. Kristen L. Jarman & Sarah D. Kowitt & Jennifer Cornacchione Ross & Adam O. Goldstein, 2017. "Are Some of the Cigar Warnings Mandated in the U.S. More Believable Than Others?," IJERPH, MDPI, vol. 14(11), pages 1-9, November.
    2. John C. Besley & Nagwan R. Zahry & Aaron McCright & Kevin C. Elliott & Norbert E. Kaminski & Joseph D. Martin, 2019. "Conflict of Interest Mitigation Procedures May Have Little Influence on the Perceived Procedural Fairness of Risk‐Related Research," Risk Analysis, John Wiley & Sons, vol. 39(3), pages 571-585, March.
    3. Jérôme Boutang & Michel de Lara, 2016. "Risk Marketing," Working Papers hal-01353821, HAL.
    4. Craig W. Trumbo & Katherine A. McComas, 2003. "The Function of Credibility in Information Processing for Risk Perception," Risk Analysis, John Wiley & Sons, vol. 23(2), pages 343-353, April.
    5. Eric E. Calloway & Alethea L. Chiappone & Harrison J. Schmitt & Daniel Sullivan & Ben Gerhardstein & Pamela G. Tucker & Jamie Rayman & Amy L. Yaroch, 2020. "Exploring Community Psychosocial Stress Related to Per- and Poly-Fluoroalkyl Substances (PFAS) Contamination: Lessons Learned from a Qualitative Study," IJERPH, MDPI, vol. 17(23), pages 1-19, November.
    6. Sullivan, Daniel & Schmitt, Harrison J. & Calloway, Eric E. & Clausen, Whitney & Tucker, Pamela & Rayman, Jamie & Gerhardstein, Ben, 2021. "Chronic environmental contamination: A narrative review of psychosocial health consequences, risk factors, and pathways to community resilience," Social Science & Medicine, Elsevier, vol. 276(C).
    7. John C. Besley, 2012. "Does Fairness Matter in the Context of Anger About Nuclear Energy Decision Making?," Risk Analysis, John Wiley & Sons, vol. 32(1), pages 25-38, January.
    8. Laura N. Rickard, 2021. "Pragmatic and (or) Constitutive? On the Foundations of Contemporary Risk Communication Research," Risk Analysis, John Wiley & Sons, vol. 41(3), pages 466-479, March.
    9. Katherine A. McComas & John C. Besley & Zheng Yang, 2008. "Risky Business: Perceived Behavior of Local Scientists and Community Support for Their Research," Risk Analysis, John Wiley & Sons, vol. 28(6), pages 1539-1552, December.
    10. Craig W. Trumbo & Katherine A. McComas & John C. Besley, 2008. "Individual‐ and Community‐Level Effects on Risk Perception in Cancer Cluster Investigations," Risk Analysis, John Wiley & Sons, vol. 28(1), pages 161-178, February.
    11. Nathan F. Dieckmann & Robert Mauro & Paul Slovic, 2010. "The Effects of Presenting Imprecise Probabilities in Intelligence Forecasts," Risk Analysis, John Wiley & Sons, vol. 30(6), pages 987-1001, June.
    12. Katherine A. McComas, 2003. "Public Meetings and Risk Amplification: A Longitudinal Study," Risk Analysis, John Wiley & Sons, vol. 23(6), pages 1257-1270, December.
    13. Laura N. Rickard & Z. Janet Yang & Jonathon P. Schuldt & Gina M. Eosco & Clifford W. Scherer & Ricardo A. Daziano, 2017. "Sizing Up a Superstorm: Exploring the Role of Recalled Experience and Attribution of Responsibility in Judgments of Future Hurricane Risk," Risk Analysis, John Wiley & Sons, vol. 37(12), pages 2334-2349, December.

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