Extending Fitts' law to two-dimensional tasks
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Examining mobile phone text legibility while walking
CHI '04 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
Mobile text entry: relationship between walking speed and text input task difficulty
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
Target size study for one-handed thumb use on small touchscreen devices
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Reading on-the-go: a comparison of audio and hand-held displays
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Human-Computer Interaction (3rd Edition)
Human-Computer Interaction (3rd Edition)
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
How do people tap when walking? An empirical investigation of nomadic data entry
International Journal of Human-Computer Studies
Escape: a target selection technique using visually-cued gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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
NoShake: Content stabilization for shaking screens of mobile devices
PERCOM '09 Proceedings of the 2009 IEEE International Conference on Pervasive Computing and Communications
The effect of age and font size on reading text on handheld computers
INTERACT'05 Proceedings of the 2005 IFIP TC13 international conference on Human-Computer Interaction
100,000,000 taps: analysis and improvement of touch performance in the large
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
The effects of walking speed on target acquisition on a touchscreen interface
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
Moody mobile TV: adding emotion to personalized playlists
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
AIEMPro '11 Proceedings of the 2011 ACM international workshop on Automated media analysis and production for novel TV services
ACM SIGACCESS Accessibility and Computing
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
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Mobile projectors versus mobile displays: an assessment of task performance
Proceedings of the ACM Symposium on Applied Perception
Visual search on a mobile device while walking
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
The relationship between encumbrance and walking speed on mobile interactions
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility
Communicative modalities for mobile device interaction
International Journal of Human-Computer Studies
A content search system considering the activity and context of a mobile user
Personal and Ubiquitous Computing
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More and more people interact with their mobile phone while walking. The presented research analyzes; firstly, the negative effect of walking when considering reading and target selection tasks, such as weaker performance and higher workload. Here, we focused on one-handed interaction with a touch screen whereby the thumb is used as the input device. Secondly, we analyze how these negative effects can be compensated by increasing the text size and the size of the targets to select on the mobile phone. A comparative user study was conducted with 16 participants who performed target acquisition and reading tasks while standing and walking. The results show that whilst performance decreases, cognitive load increases significantly when reading and selecting targets when walking. Furthermore, the results show that the negative effect regarding target selection can be compensated by increasing the target size, but the text reading task did not yield better performance results for a larger text size due to the increased demand for scrolling. These results can be used to inform future designs of mobile user interfaces which might provide a dedicated walking mode.