免责声明对公众对AI生成医疗建议的看法影响：两项预先注册的调查实验

Large language models are increasingly used by the public as a source of medical advice, yet they can produce plausible but incorrect output. Disclaimers about the limitations of artificial intelligence (AI) are the most common safeguard and are also anchored in regulatory frameworks such as the European Union's AI Act. Whether disclaimers change how laypeople perceive and act on AI-generated medical advice, however, is unknown. We conducted two preregistered, randomized between-subjects survey experiments with US participants recruited via Prolific (study 1: N = 399; study 2: N = 396). Partic