사물인터넷(IoT) 애플리케이션 사용성 향상을 위한 감각적 경험 기반 어포던스 디자인 연구

초록

With the recent emergence of the 4th Industrial Revolution and the 5G technology, the media environment for IoT has begun to change rapidly. While the concept of IoT grants countless benefits and convenient services to modern people by combining smartphones with applications, which are both the most popularized product/service in the modern society, there are concerns that it might become an obstacle for those who are not familiar to fast-changing digital systems. Therefore, this study conducted a sensory experiencebased affordance design research to improve the usability of IoT apps as a solution to solve these problems. First, the study examined various concepts and theories, such as IoT applications, sensory experience, and affordance design. Through the prior researches, the study then examined the elements of sensory experience and the basic elements of affordance design to derive sensory experience-based affordance design elements. Sensory experience-based affordance design elements include sensory elements, physical elements, and functional elements. The subfactors of each elements are as follows; color, graphic, layout (sensory) / icon, button (physical) / menu bar, restrictions, feedback (functional). Based on the findings from the research, a case analysis model was structured, and 5 different IoT applications were selected and analyzed from Google Play / App Store’s Top 100 App Chart (both free and paid). The results of the analysis showed that sensory sub-elements such as ‘color,’ ‘graphic,’ ‘layout,’ and physical sub-elements such as ‘icon,’ and ‘button’ were found in all cases. Among the functional sub-elements, only the ‘menu bar’ was common in all five cases, while ‘restriction’ and ‘feedback’ were only found in two cases. Thus, based on these results, the study was able to recognize the lack of functional elements. Therefore, in order to maximize the satisfaction and convenience of the users, further research on the development of IoT applications that appropriately implements sensory, physical, and functional characteristics －which are the three main elements of sensory experience-based affordance design－ should be carried out.

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