Author

Robert E. Kraut

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#human-computer interacti... Preprint Jun 2026

Empirically Grounded Behavioral Adaptivity for LLM-Based Virtual Patients in Psychotherapy Training

Simulated patients offer a scalable way to train psychotherapy micro-skills such as empathic responding and exploratory probing, but current systems either follow fixed scripts or rely on LLMs that drift unpredictably over long sessions. We present the Adaptive Virtual Patient (AVP), which adapts its disclosure behavio...

Angela Chen, Si-Wei Jin, Catherine Bao et al. · 1 citation · ⚡1

#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