Research and Application of an AI Agent-Based MBBS Course Assistant

INTERVENTION: Intervention group:SAGE Teaching Model (Socratic Agent for Guided Epidemiology);Control group:General LLM; CONDITION: none PRIMARY OUTCOME: Clinical Epidemiology Knowledge Assessment ;Epidemiological Reasoning; SECONDARY OUTCOME: System Usability ;Needs and perceptions (AI‐powered simulation‐based teaching agent);Student's final exam score in the Epidemiology course;Demographic information ;Student Satisfaction and Self‐Confidence in Learning ;Cognitive Load; INCLUSION CRITERIA: 1.The undergraduate students of the "Belt and Road Initiative" International Medical School of Zhejiang University who have officially registered for the MBBS program;