Gestural and audio metaphors as a means of control for mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Overcoming the Lack of Screen Space on Mobile Computers
Personal and Ubiquitous Computing
Examining mobile phone text legibility while walking
CHI '04 Extended Abstracts on Human Factors in Computing Systems
Interaction in 4-second bursts: the fragmented nature of attentional resources in mobile HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Gait phase effects in mobile interaction
CHI '05 Extended Abstracts on Human Factors in Computing Systems
An empirical comparison of use-in-motion evaluation scenarios for mobile computing devices
International Journal of Human-Computer Studies
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
How do people tap when walking? An empirical investigation of nomadic data entry
International Journal of Human-Computer Studies
Getting off the treadmill: evaluating walking user interfaces for mobile devices in public spaces
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Investigating selection and reading performance on a mobile phone while walking
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
PULSE: the design and evaluation of an auditory display to provide a social vibe
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Touch typing using thumbs: understanding the effect of mobility and hand posture
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tap, swipe, or move: attentional demands for distracted smartphone input
Proceedings of the International Working Conference on Advanced Visual Interfaces
An exploration of inadvertent variations in mobile pressure input
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
MemReflex: adaptive flashcards for mobile microlearning
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
Elderly text-entry performance on touchscreens
Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility
Audio pacemaker: walking, talking indigenous knowledge
Proceedings of the South African Institute for Computer Scientists and Information Technologists Conference
App stores: external validity for mobile HCI
interactions
The relationship between encumbrance and walking speed on mobile interactions
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Walking and the social life of solar charging in rural africa
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on practice-oriented approaches to sustainable HCI
Communicative modalities for mobile device interaction
International Journal of Human-Computer Studies
Investigating mobile stereoscopic 3D touchscreen interaction
Proceedings of the 25th Australian Computer-Human Interaction Conference: Augmentation, Application, Innovation, Collaboration
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Studies have reported negative effects of walking on mobile human---computer interaction when compared to standing or sitting. However, the quantitative relationship between walking speed and user performance is unknown. In the study described here, we varied walking speed on a treadmill and measured effects on discrete aiming movements on a touchscreen interface. Their relationship was found to be non-linear with a local optimum: when walking at 40--80% of one's preferred walking speed (PWS), target acquisition performance plateaus, indicating optimal trade-off between speed and interaction. Accelerometer data showed that, despite increasing hand oscillation, users were able to maintain stable interaction performance at 74% of PWS. Interestingly, this speed coincides with the speed users spontaneously walk when interacting with a mobile device.