Author

Dora Zhao

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Open access Aug 2026

Value misalignment in X’s feed algorithm is a reflection of value tensions in engagement

Social media feed algorithms rank content that is purported to be preferred by users, but the engagement behaviors that drive these algorithms are (at best) indirect proxies for users’ explicitly self-stated values. Are the resulting feeds value aligned, and if not, why? We investigate this question by annotating the b...

Ziv Epstein, Farnaz Jahanbakhsh, Tiziano Piccardi et al. · Proceedings of the National... · 2 citations

#human-computer interacti... Review Sep 2026

Living with AI Companions: Sustained AI Companionship Predicts Lower Well-Being Through Lower Human Interaction

AI chatbots are increasingly used for companionship, emotional support, and personal self-disclosure; however, how social engagement with these systems unfolds over time and shapes users'well-being remains unclear. To address this, we conducted a two-wave longitudinal study of CharacterAI users, surveying 1,182 partici...

Yu-Tong Zhang, Dora Zhao, Yi-Xin Wang et al. · 1 citation

Review Aug 2026

Interaction with AI companions and psychological well-being.

The results suggest that the association between AI companionship and well-being is not uniform and depends on users' offline social environments and how chatbots are used.

Yutong Zhang, Dora Zhao, Jeffrey T. Hancock et al. · Nature Human Behaviour · 3 citations