发表机构
Virginia Tech（弗吉尼亚理工大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
针对同地讨论中人们因顾虑而不愿发声的问题，提出混合现实系统SecondVoice，通过虚拟代理传递观点，在初步研究中其使用比例和互动效果优于匿名文本板。
AI 中文摘要
同地讨论中的平等参与对于有效协作至关重要，但当人们预见到负面的人际或职业后果时往往会退缩，尤其是当提出观点需要亲自发声时。我们提出了SecondVoice，这是一种混合现实系统，使人们能够通过具身虚拟代理发声。通过将“谁发言”与“说什么”分离，SecondVoice能将犹豫的观点带入现场口头讨论，同时不让发言者处于众目睽睽之下。用户通过私人覆盖层，通过结构化的规范流程指定自己的意图，而非编写完整的话语。系统会重新表述输入内容，并通过代理将其传递到对话中。我们确定了社交风险下参与渠道的设计空间。在一项初步的被试内研究（N=16）中，我们在两项小组讨论任务中比较了完整的SecondVoice系统与匿名文本板渠道。一半的参与者报告称曾使用SecondVoice表达过未大声说出的观点，而文本板的这一比例为18.8%。代理传递的观点进入了口头讨论环节，并引发了多轮小组互动，而我们在文本板帖子后未观察到此类情况。参与者表示该渠道在特定情境下很有价值，但也指出了在时机、所有权和重新表述的可信度方面存在权衡。
英文摘要
Equal participation in co-located discussion is important for effective collaboration, yet people often hold back when they anticipate negative interpersonal or professional consequences, especially when raising a point requires voicing it themselves. We present SecondVoice, a mixed-reality system that enables people to speak up through an embodied virtual proxy. By separating what is said from who says it, SecondVoice brings hesitant points into the live spoken discussion without putting the speaker on the spot. Using a private overlay, users specify their intent through a structured specification process rather than composing a full utterance. The system reformulates the input and voices it into the conversation through the proxy. We characterize a design space of participation channels under social risk. In a preliminary within-subject study (N = 16), we compare the complete SecondVoice system with an anonymous text-board channel across two group discussion tasks. Half of participants reported using SecondVoice for a point they did not say aloud, compared with 18.8% for the text board. Proxy-delivered points entered the spoken floor and were followed by multi-turn group engagement, which we did not observe after text-board posts. Participants described the channel as situationally valuable but identified tradeoffs around timing, ownership, and trust in reformulation.
CommentsAccepted to ACM UIST 2026, Detroit, MI, USA
