Proceedings ArticleDOI
Getting off the treadmill: evaluating walking user interfaces for mobile devices in public spaces
Shaun K. Kane,Jacob O. Wobbrock,Ian Smith +2 more
- pp 109-118
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TLDR
This work performs two studies evaluating the feasibility of walking user interfaces that adapt their layout when the user is moving and shows that the dynamic user interface performs at the level of its component static interfaces without any additional penalty due to adaptation.Abstract:
Using a mobile device while moving limits attention and motor ability and can result in reduced performance. Mobile devices that can sense and adapt to contextual factors such as movement may reduce this performance deficit. We performed two studies evaluating the feasibility of walking user interfaces (WUIs) that adapt their layout when the user is moving. In a pilot study with 6 users, we evaluated the effects of different button sizes on performance when walking while using a portable music player. Results showed significant interactions between size and movement. In the second study, 29 users evaluated the performance of a WUI that dynamically changed button sizes as the user moved. Results show that our dynamic user interface performs at the level of its component static interfaces without any additional penalty due to adaptation. This work adds to our design knowledge about walking user interfaces and provides lessons learned in evaluating mobile devices while walking in public spaces.read more
Citations
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Journal ArticleDOI
Usability of mobile applications: literature review and rationale for a new usability model
TL;DR: The PACMAD (People At the Centre of Mobile Application Development) usability model is introduced which was designed to address the limitations of existing usability models when applied to mobile devices.
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Ability-Based Design: Concept, Principles and Examples
TL;DR: This work presents ability-based design, a refinement to accessible computing that consists of focusing on ability throughout the design process in an effort to create systems that leverage the full range of human potential.
Proceedings ArticleDOI
Experimental analysis of touch-screen gesture designs in mobile environments
TL;DR: It is found that in the presence of environmental distractions, gestures can offer significant performance gains and reduced attentional load, while performing as well as soft buttons when the user's attention is focused on the phone.
Proceedings ArticleDOI
WalkType: using accelerometer data to accomodate situational impairments in mobile touch screen text entry
TL;DR: WalkType is introduced, an adaptive text entry system that leverages the mobile device's built-in tri-axis accelerometer to compensate for extraneous movement while walking and uses the displacement and acceleration of the device, and inference about the user's footsteps to classification.
Proceedings ArticleDOI
Investigating selection and reading performance on a mobile phone while walking
Bastian Schildbach,Enrico Rukzio +1 more
TL;DR: 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.
References
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Journal ArticleDOI
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TL;DR: A simple and inexpensive photographic method has been developed whereby many kinematic components of the walking act in the sagittal, frontal, and transverse planes can be measured and related temporally.
Journal ArticleDOI
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TL;DR: Two formal experiments that investigate the usability of sonically-enhanced buttons of different sizes show that sound can be beneficial for usability and that care must be taken to do testing in realistic environments to get a good measure of mobile device usability.
Journal ArticleDOI
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TL;DR: The resulting ideas about interface design for fieldworkers are formulated into two general principles: Minimal Attention User Interfaces (MAUIs) and context awareness.
Proceedings ArticleDOI
Target size study for one-handed thumb use on small touchscreen devices
TL;DR: A two-phase study to determine optimal target sizes for one-handed thumb use of mobile handheld devices equipped with a touch-sensitive screen found that target size of 9.2 mm for discrete tasks and targets of 7.6 mm for serial tasks should be sufficiently large for one the handed thumb use on touchscreen-based handhelds without degrading performance and preference.
Journal ArticleDOI
New Techniques for Usability Evaluation of Mobile Systems
Jesper Kjeldskov,Jan Stage +1 more
TL;DR: Six techniques for evaluating the usability of mobile computer systems in laboratory settings are presented and evaluated to facilitate systematic data collection in a controlled environment and support the identification of usability problems that are experienced in mobile use.