AI Media & Online Authenticity 2025 (Dataset)

This dataset is part of the Human Clarity Institute’s AI–Human Experience Data Series, examining how adults perceive authenticity in the age of AI-generated media. It measures how people judge whether online content is real, their confidence in detecting synthetic media, and the emotional and behavioural effects of uncertainty created by AI-mediated environments. The dataset includes:• validated 1–7 Likert-scale items• measures of online authenticity judgement• confidence indicators for detecting AI-generated media• emotional and behavioural responses to uncertainty• strategies and cues used to verify online information• trust, caution, and perceived realism of AI media• open-text reflections on moments of uncertainty• demographic variables across multiple countries Data were collected via Prolific in 2025 from adults across English-speaking countries. All responses were fully cleaned, anonymised, and verified according to the Human Clarity Institute’s open-data publication protocol. This dataset contributes to understanding how AI-generated media influences digital trust, authenticity perception, and human confidence in verification. It provides foundational data for tracking how synthetic media shapes behaviour, certainty, and trust in the AI era.