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How does anonymous online peer communication affect prevention behavior? Evidence from a laboratory experiment

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  • Indrani Saran
  • Günther Fink
  • Margaret McConnell

Abstract

While the importance of social networks for health behaviors is well-recognized, relatively little is known regarding the accuracy of anonymous online communication and its impact on health behavior. In 2012, we conducted a laboratory experiment in Boston, Massachusetts with 679 individuals to understand how anonymous online communication affects individual prevention decisions. Participants had to opt for or against investing in prevention over three sessions, each consisting of 15 experimental rounds. In the third session only, participants could share their experiences with a group of 1–3 other anonymous participants after each round. Groups exchanged an average of 16 messages over the 15 rounds of the third session. 70% of messages contained information about the subject’s prevention decision and the resulting health outcome. Participants were more likely to communicate when they prevented than when they did not, with prevention failures resulting in the highest probability of sending a message. Nonetheless, receiving an additional message reporting prevention increased the odds a subject would prevent by 32 percent. We find that participants tend to adopt the prevention behavior reported by others, with less weight given to the reported outcomes of prevention, suggesting that social networks may influence behaviors through more than just information provision.

Suggested Citation

  • Indrani Saran & Günther Fink & Margaret McConnell, 2018. "How does anonymous online peer communication affect prevention behavior? Evidence from a laboratory experiment," PLOS ONE, Public Library of Science, vol. 13(11), pages 1-16, November.
    • Handle: RePEc:plo:pone00:0207679
    DOI: 10.1371/journal.pone.0207679
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    Cited by:

    1. Mikołaj Kamiński & Michał Borger & Piotr Prymas & Agnieszka Muth & Adam Stachowski & Igor Łoniewski & Wojciech Marlicz, 2020. "Analysis of Answers to Queries among Anonymous Users with Gastroenterological Problems on an Internet Forum," IJERPH, MDPI, vol. 17(3), pages 1-13, February.
    2. Günther Fink & Margaret McConnell & Bich Diep Nguyen, 2021. "Learn or react? An experimental study of preventive health decision making," Experimental Economics, Springer;Economic Science Association, vol. 24(1), pages 206-237, March.

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