Differential effects of digital media platforms on climate change risk information-sharing intention: A moderated mediation model
- Authors
- Paek, Hye-Jin; Oh, Hyun Jung; Hove, Thomas
- Issue Date
- Jan-2024
- Publisher
- Blackwell Publishing Inc.
- Keywords
- climate change; digital media; influence of presumed influence model; risk information-sharing intention; risk perception
- Citation
- Risk Analysis, pp 1 - 11
- Pages
- 11
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- Risk Analysis
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/119068
- DOI
- 10.1111/risa.14270
- ISSN
- 0272-4332
1539-6924
- Abstract
- This study analyzes the mechanisms through which risk messages about climate change lead to people's risk information-sharing intention, and how digital media platform type serves as a context that moderates those mechanisms. Our analysis is informed by the influence of presumed influence (IPI) model, and we adapt and expand that model in three ways. First, we apply the concept of perceived media reach to the context of digital media platforms, specifically news aggregators and social networking sites. Second, we integrate the two mediators of risk perception and presumed influence. Third, we examine potential moderating roles of digital media platforms in the IPI model. An online survey was conducted among 1000 South Korean adults, and a moderated mediation model (PROCESS Macro Model 59) generated the following results. (1) Perceived media reach was positively related to both mediators-risk perception and presumed influence. (2) By way of those two mediators, perceived reach significantly led to information-sharing intention. (3) Presumed influence, but not risk perception, was significantly related to information-sharing intention. (4) Digital media platforms moderated the relation between perceived reach and risk perception: the role of content-related risk perception was more pronounced in news aggregators, while the role of context-related presumed influence was greater in social networking sites. Theoretical and practical implications for risk communication are discussed.
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