Abstract

Background and Objectives: This study presents a case of developing a mobile application that children with hearing impairment can learn both the Korean language and the sign language. Method: Specifically, this study focuses on how a mobile application can be developed following the methods underlying the human-centered design (HCD) philosophy, which values the process of developing solutions with deep consideration of desirability, feasibility and viability. The case study is presented through the three phases of HCD: Hear, Create, and Deliver. The mobile application developed in this study provides several functions where children with hearing impairment and hearing children of deaf adults can learn both the Korean language and the sign language through auditory and visual channels. Conclusion: We discuss the implications of this case study from human-centered design methods, which emphasize the criticality of having empathy with AAC users’ life experiences and identifying fundamental needs of AAC users from the very beginning of the development process.

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