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- Title
Toward an Aggregate, Implicit, and Dynamic Model of Norm Formation: Capturing Large-Scale Media Representations of Dynamic Descriptive Norms Through Automated and Crowdsourced Content Analysis.
- Authors
Liu, Jiaying; Siegel, Leeann; Gibson, Laura A; Kim, Yoonsang; Binns, Steven; Emery, Sherry; Hornik, Robert C
- Abstract
Media content can shape people's descriptive norm perceptions by presenting either population-level prevalence information or descriptions of individuals' behaviors. Supervised machine learning and crowdsourcing can be combined to answer new, theoretical questions about the ways in which normative perceptions form and evolve through repeated, incidental exposure to normative mentions emanating from the media environment. Applying these methods, this study describes tobacco and e-cigarette norm prevalence and trends over 37 months through an examination of a census of 135,764 long-form media texts, 12,262 popular YouTube videos, and 75,322,911 tweets. Long-form texts mentioned tobacco population norms (4–5%) proportionately less often than e-cigarette population norms (20%). Individual use norms were common across sources, particularly YouTube (tobacco long-form: 34%; Twitter: 33%; YouTube: 88%; e-cigarette long form: 17%; Twitter: 16%; YouTube: 96%). The capacity to capture aggregated prevalence and temporal dynamics of normative media content permits asking population-level media effects questions that would otherwise be infeasible to address.
- Subjects
SOCIAL norms; MACHINE learning; ELECTRONIC cigarettes; SMOKING; CROWDSOURCING; SOCIAL reality; TWITTER (Web resource); YOUTUBE (Web resource)
- Publication
Journal of Communication, 2019, Vol 69, Issue 6, p563
- ISSN
0021-9916
- Publication type
Article
- DOI
10.1093/joc/jqz033