A three-item scale measuring the perceived authenticity of a social media post or online review. Items assess whether a post is genuine and sincere, while two reverse-scored items tap suspicions that it may be fabricated or commercially motivated. The scale distinguishes authentic consumer-generated content from paid promotional posts, making it applicable to research on eWOM credibility, influencer marketing, and consumer scepticism toward branded social media content.
Zhang, Zhe and Vanessa M. Patrick (2021). Mickey D's has more street cred than McDonald's: Consumer brand nickname use signals information authenticity. Journal of Marketing, 85(5), 58–73.
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