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The Effects of Interface Modality on Cognitive Load and Task Performance in Media Multitasking Environment
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미디어 멀티태스킹 환경에서 인터페이스의 감각양식 차이가 인지부하와 과업수행에 미치는 영향에 관한 연구 : 다중 자원 이론과 스레드 인지 모델을 기반으로

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Type
Academic journal
Author
Dana Lee (연세대학교) Kwang-Hee Han (연세대학교)
Journal
The HCI Society of Korea Journal of the HCI Society of Korea Vol.14 No.2 KCI Accredited Journals
Published
2019.5
Pages
31 - 39 (9page)
DOI
10.17210/jhsk.2019.05.14.2.31

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The Effects of Interface Modality on Cognitive Load and Task Performance in Media Multitasking Environment
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Research history (2)

2019

The Effects of Interface Modality on Cognitive Load and Task Performance in Media Multitasking Environment
Dana Lee ,  Kwang-Hee Han Journal of the HCI Society of Korea 2019.05 Academic journal
The effects of interface modality on cognitive load and task performance in media multitasking environment
이다나 2019.01 Thesis
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Abstract· Keywords

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This research examined the changes that fast-growing voice-based devices would bring in the media multitasking environment. Based on the theoretical background that information processing efficiency improves when performing multiple tasks requiring different resource structures at the same time, we conducted an experiment where participants searched for information with voice-based or screen-based devices while performing an additional visual task. Results showed that both task performance environment and interface modality had significant main effects on cognitive load. The overall cognitive load level was higher in the voice interface group, but the difference in cognitive load between the two groups decreased in a multitasking environment where the additional visual resources was required. The visual task performance was significantly higher when using the voice interface than the screen interface. Our findings suggest that voice interfaces offered advantages in the cognitive load and task performance by distributing two tasks to the auditory and visual channels. The results of this study imply that voice-based devices have the potential to facilitate efficient information processing in the screen-centric environment where visual resources collide. We provided theoretical evidence of resource distribution using multiple resource theory and tried to identify the advantages of the voice interface more specifically based on the threaded cognition model.
#Voice Interface #Media Multitasking #Cognitive Load #Sensory Modality #Multiple Resource Theory

Contents

요약
Abstract
1. 서론
2. 이론적 배경
3. 선행연구 검토
4. 실험
5. 결과
6. 논의
7. 결론
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UCI(KEPA) : I410-ECN-0101-2019-004-000759218