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Marketplaces of misinformation : a study of how vaccine misinformation is legitimized on social media
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Di Domenico, Giandomenico, Nunan, Daniel and Pitardi, Valentina (2022) Marketplaces of misinformation : a study of how vaccine misinformation is legitimized on social media. Journal of Public Policy & Marketing, 41 (4). pp. 319-335. doi:10.1177/07439156221103860 ISSN 0748-6766.
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Official URL: http://dx.doi.org/10.1177/07439156221103860
Abstract
Combating harmful misinformation about pharmaceuticals on social media is a growing challenge. The complexity of health information, the role of expert intermediaries in disseminating information, and the information dynamics of social media create an environment where harmful misinformation spreads rapidly. However, little is known about the origin of this misinformation. This article explores the processes through which health misinformation from online marketplaces is legitimized and spread. Specifically, across one content analysis and two experimental studies, the authors investigate the role of highly legitimized influencer content in spreading vaccine misinformation. By analyzing a data set of social media posts and the websites where this content originates, the authors identify the legitimation processes that spread and normalize discussions about vaccine hesitancy (Study 1). Study 2 shows that expert cues increase the perceived legitimacy of misinformation, particularly for individuals who generally have positive attitudes toward vaccines. Study 3 demonstrates the role of expert legitimacy in driving consumers’ sharing behavior on social media. This research addresses a gap in the understanding of how pharmaceutical misinformation originates and becomes legitimized. Given the importance of the effective communication of vaccine information, the authors present key challenges for policy makers.
Item Type: | Journal Article | ||||||
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Subjects: | H Social Sciences > HF Commerce H Social Sciences > HM Sociology P Language and Literature > PN Literature (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Misinformation , Social media , Vaccine hesitancy -- Online chat groups, Fake news | ||||||
Journal or Publication Title: | Journal of Public Policy & Marketing | ||||||
Publisher: | American Marketing Association | ||||||
ISSN: | 0748-6766 | ||||||
Official Date: | October 2022 | ||||||
Dates: |
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Volume: | 41 | ||||||
Number: | 4 | ||||||
Page Range: | pp. 319-335 | ||||||
DOI: | 10.1177/07439156221103860 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 10 August 2022 | ||||||
Date of first compliant Open Access: | 10 August 2022 |
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