Abstract
Social media influencers (SMIs) are figures who have cultivated an online following by commercializing their social media content, establishing credibility, and building parasocial relationships (PSR) with their followers. SMIs can be categorized by their follower count: mega ( 5k). The purpose of this study is to investigate (1) how PSR and influencer credibility vary across nano, micro, and macro SMIs, (2) how credibility in different levels affects the development of PSR, and (3) how PSR affects brand attitude. The findings of this study show that credibility is linked to PSR development among SMIs but is not significantly different across SMI levels. PSR is also found to be significantly higher among nano-influencers than the micro and macro levels, and positively influences brand attitude. The study extends existing research on follower count and offers new theoretical and practical insights into nano-influencer marketing.
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