基于语音的对话式AI教练减轻精英运动员竞争状态焦虑：研究方案

Background Competitive state anxiety harms elite athletes’ performance and mental health, while stigma and training demands limit access to face-to-face support; voice-based conversational artificial intelligence (AI) analyzing speech in real time offers a scalable route to psychological skills training (PST). Methods Phase I develops the agent and tests content validity and usability against prespecified thresholds. Phase II is a parallel-group, analyst-blinded, attention-matched active-controlled randomized trial, fully online. All outcomes are self-reported by unblinded participants, so no