Esther Boissin

Esther Boissin is a researcher at Cornell University's Department of Psychology. Her research focuses on conspiracy theories, belief updating, and the role of generative AI in reducing adherence to epistemically unwarranted beliefs through evidence-based dialogue.

Sources in this wiki

• Boissin et al. (2026) — Dialogues with Large Language Models Reduce Conspiracy Beliefs Even When the AI Is Perceived as Human — Preregistered experiment testing whether the debunking effect of LLM dialogue depends on perceived messenger identity (AI vs. human expert); finds equivalent effects across conditions, suggesting message quality rather than source characteristics drives belief reduction

Areas of research

• Conspiracy theories and conspiracy belief
• Belief updating and evidence integration
• Generative AI interventions for misinformation
• Psychology of reasoning about evidence