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Product‐harm science communication: The halo effect and its moderators

Author

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  • Olga Untilov

    (Audencia Business School)

  • Stéphane Ganassali

    (IREGE - Institut de Recherche en Gestion et en Economie - USMB [Université de Savoie] [Université de Chambéry] - Université Savoie Mont Blanc)

Abstract

Science communication on a product-harm situation aims to create awareness on the product's potential impacts for consumers. However, consumers tend to overestimate the information provided, due to possible halo effects. Here we designed a contextual model of halo development including individual and message characteristics detected in the literature as potential moderators. Our experimental study, based on a sample of 3,766 European respondents, evaluates these halo moderators in the context of a product-harm science communication. The results reveal a stronger halo effect on consumers' beliefs when the focal topic is considered as more important (health vs ethics) and simultaneously when the source of information is more credible (official vs non-official). Highly involved consumers are also subject to greater halo effects. Suggested implications mainly focus on the need to consider potential amplifying halo effects and on the importance of responding to a product-harm communication via a very accurate communication approach.

Suggested Citation

  • Olga Untilov & Stéphane Ganassali, 2020. "Product‐harm science communication: The halo effect and its moderators," Post-Print hal-02957579, HAL.
    • Handle: RePEc:hal:journl:hal-02957579
    DOI: 10.1111/joca.12314
    Note: View the original document on HAL open archive server: https://audencia.hal.science/hal-02957579
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