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음성인터페이스 시스템들에 대한 장애인 사용자들의 수용성 조사
진대환(Daehwan Jin),안동현(Donghyun An),김지영(Jeeyung Kim),허완(Wan Heo),윤명환(Myung Hwan Yun) 대한인간공학회 2018 대한인간공학회 학술대회논문집 Vol.2018 No.11
Objective: The aim of this study is to investigate handicapped users’ acceptance of the voice user interface systems. Background: There are many systems operated by voice user interface. Voice user interface is a useful tool to enhance accessibility of elderly people and handicapped people in human computer interaction. However, there are few studies investigating handicapped users’ acceptance of voice user interface. Studies on handicapped users’ acceptance of voice user interface systems are needed to improve the systems for them. Method: We did questionnaire survey analysis with 49 handicapped people, who have used a voice user interface system at least once. Factor analysis was used to find factors affecting handicapped users’ acceptance of the voice user interface systems. Results: Through the reliability analysis with Cronbach’s α, we concluded that our questionnaire survey analysis was reliable and found that all the items of the questionnaire were proper to be used for factor analysis. There were some common factors among questionnaires by KMO and Bartlett’s test. We got 5 common factors, which were Intention to Use/Recommend, Expectancy, Reliability, Usefulness, and Ease of Use. Those 5 factors had all high reliability. Conclusion: By analyzing opinion of participants, the main reason for using the voice user interface systems was their usability. On the other hand, the main reason for not using the voice user interface systems was their reliability. Therefore, it is expected that the design of a voice user interface system to accurately recognize the commands and provide the appropriate results will greatly help the use and recommendation of the voice user interface system of handicapped users. Application: The result of this study can be a guideline to the design of a voice user interface system for handicapped users.