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This study examines the usability of communication-assistive applications for hearing-impaired users, with a focus on enhancing user experience and promoting social inclusion. Although such applications have been developed and evaluated previously, interface designs that consider the intimacy needs of hearing-impaired users remain under-explored. We performed a comprehensive usability evaluation employing a mixed-method approach, which involved hearing-impaired individuals as well as field experts. The findings revealed areas for improvement in the design, validated the feasibility of implementing these applications, and emphasized the importance of incorporating the unique needs and preferences of hearing-impaired users. Furthermore, this paper discusses the importance of introducing guidelines and evaluation scales for the “Design for Emotion and Life Knowledge” levels to facilitate smooth and effective human–computer interactions. Such measures will promote the development of intelligent assistive technologies that reflect the qualitative needs of people with disabilities and contribute to social rights for hearing-impaired users. With the growing demands of artificial-intelligence-powered assistive technologies, the inclusion of individuals with disabilities in the design and research process is anticipated to increase. In future, studies should be conducted to blend the culturally shared experiences and emotional bonds expressed by users (having mild-to-severe hearing impairment) with the design and development process of assistive devices or services.

本研究针对听障用户所用的通信辅助应用（communication-assistive applications）的可用性展开探究，重点聚焦于提升用户体验与推动社会包容。尽管此前已有此类应用的开发与评估工作，但兼顾听障用户亲密性需求的界面设计仍有待深入探索。本研究采用混合研究方法（mixed-method approach）开展了全面的可用性评估，研究对象涵盖听障个体与领域专家。研究结果明确了设计层面的优化方向，验证了此类应用落地的可行性，并强调了融入听障用户独特需求与偏好的重要性。此外，本文探讨了为「情感与生活知识设计（Design for Emotion and Life Knowledge）」层级制定相关指南与评估量表的重要性，以实现顺畅高效的人机交互（human–computer interactions）。此类举措将推动贴合残障群体实质需求的智能辅助技术发展，助力保障听障用户的社会权利。随着人工智能驱动的辅助技术需求日益增长，残障群体参与设计与研究流程的参与度有望进一步提升。未来研究应将轻至重度听障用户所传递的文化共通经验与情感联结，融入辅助设备或服务的设计与开发流程中。