影响力营销
同性恋
解释水平理论
心理学
健康传播
社会心理学
广告
业务
营销
沟通
关系营销
市场营销管理
作者
Jiemin Looi,Deena Kemp,Yong Song
标识
DOI:10.1080/15252019.2022.2140316
摘要
This study evaluates the efficacy of social media influencer endorsements for COVID-19-prevention public service announcements (PSAs) on Instagram and its underlying mechanisms. An online experiment (N = 239) tested how influencer tier (mega-influencer versus nano-influencer) and message construal (independent versus interdependent versus collective) of the PSA influenced individuals’ attitudes toward the PSA and their behavioral intentions regarding COVID-19 prevention. Participants perceived mega-influencers and nano-influencers to possess similar expertise, trustworthiness, and attractiveness. However, participants regarded nano-influencers to possess greater homophily than mega-influencers. Participants exposed to a nano-influencer’s PSA displayed greater intention to engage in COVID-19 prevention behaviors than those exposed to a mega-influencer’s PSA. Participants’ perceived homophily with the nano-influencer also mediated its effect on participants’ attitudes toward the PSA and behavioral intentions regarding COVID-19 prevention. In addition, participants evaluated the PSA with collective message construal more favorably than the PSA with independent message construal. Theoretical contributions, managerial implications, and directions for future research are provided.
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