用虚拟助手训练普通人劝亲友打疫苗，互动越强效果越好
Virtual Agent-Based Communication Skills Training to Facilitate Health Persuasion Among Peers
- 用虚拟角色模拟真实场景，教志愿者使用鼓励式沟通技巧
- 所有版本都能让参与者达到专业辅导能力标准，互动版满意度更高
- 适合想提升人际说服力的社区健康推广者
许多普通人有意愿帮助亲友改善健康行为，但不知如何开始，尤其面对可能带有污名或争议的行为时。本文提出一种基于虚拟代理的培训系统，通过角色扮演场景，指导社区志愿者掌握如动机访谈等健康劝导技巧。该系统被用于提升新冠疫苗接种率，使用户能够影响其社交网络。在一项对照实验中，测试了系统交互性与角色扮演功能对辅导效果的影响，参与者由标准化患者和客观评委评估。结果表明，所有版本均能使参与者达到辅导能力的合格标准；且与被动观看培训材料相比，互动式虚拟代理显著提升了用户满意度。研究为社交技能训练系统的设计提供了重要启示。
原文摘要 · Abstract (English)
Many laypeople are motivated to improve the health behavior of their family or friends but do not know where to start, especially if the health behavior is potentially stigmatizing or controversial. We present an approach that uses virtual agents to coach community-based volunteers in health counseling techniques, such as motivational interviewing, and allows them to practice these skills in role-playing scenarios. We use this approach in a virtual agent-based system to increase COVID-19 vaccination by empowering users to influence their social network. In a between-subjects comparative design study, we test the effects of agent system interactivity and role-playing functionality on counseling outcomes, with participants evaluated by standardized patients and objective judges. We find that all versions are effective at producing peer counselors who score adequately on a standardized measure of counseling competence, and that participants were significantly more satisfied with interactive virtual agents compared to passive viewing of the training material. We discuss design implications for interpersonal skills training systems based on our findings.
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