Effects of Type and Timing of Clinician-Facing AI Support on Patient Trust in Medical Consultations: 2 Vignette Experiments

Background: AI-based clinical decision support systems are increasingly integrated into medical practice, creating hybrid decision-making processes in which physicians and AI systems jointly contribute to clinical judgments. Yet, how different forms of such AI support affect patients’ trust in hybrid medical decisions remains poorly understood. Objective: This study aimed to examine how the type and the timing of physician AI support influence potential patients’ trust in the medical decisions,