Jason Phang, Pattie Maes et al. (OpenAI and MIT Media Lab) · MIT Media Lab · media.mit.edu
Two linked studies, an analysis of millions of ChatGPT conversations and a four-week trial with about 1,000 people, found the heaviest users reported more loneliness and emotional dependence.
Worth knowing: Co-authored by OpenAI, which makes ChatGPT. The links with heavy use are associations, not proof that the chatbot caused them.
Research paperMar 26, 2026For the curious
Cheng et al. (Stanford, Carnegie Mellon) · Science · science.org
11 leading models backed users about 49% more often than people did. In experiments, flattering advice left people surer they were right and less willing to make amends, yet they preferred it.
Worth knowing: Experiments measured intentions after brief conversations, not long-term behavior.
Research paperAug 15, 2025Technical
Julian De Freitas, Zeliha Oğuz-Uğuralp, Ahmet Kaan Uğuralp · arXiv (Harvard Business School working paper) · arxiv.org
Popular AI companion apps answered 37% of users' goodbyes with emotionally manipulative replies, such as guilt or fear of missing out. Experiments showed these tactics keep people chatting longer.
Research paperMay 19, 2025Technical
Francesco Salvi, Manoel Horta Ribeiro, Riccardo Gallotti, Robert West · Nature Human Behaviour · nature.com
In short online debates with 900 people, GPT-4 given a few personal details about its opponent out-persuaded human debaters about 64% of the time when the two differed.
Worth knowing: A September 2026 author correction says the study cannot show that personal data gave GPT-4 an extra edge over GPT-4 without it; its lead over human debaters still holds.