Effects of Display Size and Type of Input on Cognitive and Emotional Response to Screen Tasks

국문 초록 (Abstract)

다양한 스마트 기기들이 보편화되면서 여러 가지 방식의 디스플레이들이 개발되고 있다. 화면크기 및 입력방식에 대한 기존의 연구들은 인간-컴퓨터 상호작용의 관점에서 주로 다루어져 온 측면이 있으며, 화면 크기의 효과에 주로 초점을 두었다. 이에 본 연구에서는 화면의 크기와 입력 방식에 대한 영향을 동시에 살펴보고자 한다. 또한 실제 사용 환경에서 소비자들은 다양한 컨텐츠를 접하는데, 각 컨텐츠 특성에 따라 더 적합한 입력방식, 혹은 더 알맞은 화면 크기가 무엇인가에 대한 연구가 필요하다. 이에 본 연구에서는 사용자의 인지적, 감정적 반응이 다양한 입력방식과 화면에 따라서 어떻게 달라지는지를 검증하고자 한다. 연구 결과 감정 반응을 주로 이끌어내기 위한 컨텐츠인가, 수행성을 요하는 작업이 주인 컨텐츠인가에 따라 입력방식 및 화면크기에 따른 다양한 영향이 나타났다. 수행성이 요구되는 컨텐츠에서는 화면크기와 입력방식이 모두 영향을 미치는 요소가 될 수 있다. 한편 감성반응을 이끌어 내는 컨텐츠에서는 상대적으로 화면크기보다는 입력방식이 더 주요하게 작용하는 요인이 될 수 있다. 입력방식에 따른 차이를 종합해보면 터치는 감성반응을 일으키는 컨텐츠, 마우스는 수행성을 위한 컨텐츠에 사용이 적절할 것이다. 마우스의 수행이 상대적으로 더 좋았던 것은 정확한 포인팅과, 손에 비해 전체적으로 주의하도록 하는 것이 긍정적으로 귀결된 것으로 보인다. 터치 조건에서 마우스 조건보다 훨씬 더 정신생리적 측정치의 값이 컸는데, 이는 터치를 함으로써 컨텐츠에 더 집중을 하여 마우스 조건과 서로 다른 감각 경험을 한 것이라 해석할 수 있다.

다국어 초록 (Multilingual Abstract)

Display size and type of input affect individual psychological responses to screen displays. The effects of display size and input type were measured in two experiments where the contents of stimuli led to either cognitive processing or emotional response; we included a psychophysiological dependent measure (skin conductance). As expected, touch contributed to increased emotional response of users. Computer-mouse input was associated with better performance. An effect of screen size was found for the cognitive task, but not for emotional response. The present findings suggest that display size and type of input is significant to user experience. Furthermore, it shows that selection of the appropriate device can vary depending on stimulus contents. Theoretical and social implications of these findings are discussed.

목차 (Table of Contents)

• 〈Abstract〉
• TYPE OF INPUT AND DISPLAY SIZE
• PSYCHOPHYSIOLOGICAL MEASURES AND AROUSAL
• CONTENTS AND DISPLAY
• METHOD
• Experiment 1 - COGNITIVE CONTENTS
• Experiment 2 - EMOTIONAL CONTENTS
• GENERAL DISCUSSION
• REFERENCES

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