This scale measures how genuine and real a person believes a social media influencer to be as an actual user of a product they are promoting. Rizzo et al. (2023) used it to test how sensory language in influencer posts shapes perceived authenticity.
Rizzo, Giovanni Luca Cascio, Jonah Berger, Matteo De Angelis, and Rumen Pozharliev (2023), "How Sensory Language Shapes Influencer's Impact," Journal of Consumer Research, 50 (4), 810-825.
Free access to 2329+ psychometric scales at PsychScales