Improving the accuracy of touch screens: an experimental evaluation of three strategies
CHI '88 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A comparison of selection time from walking and pull-down menus
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Making computers easier for older adults to use: area cursors and sticky icons
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Keyboard and mouse errors due to motor disabilities
International Journal of Human-Computer Studies
Acquisition of expanding targets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
More than dotting the i's --- foundations for crossing-based interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
WebThumb: interaction techniques for small-screen browsers
Proceedings of the 15th annual ACM symposium on User interface software and technology
Using handhelds to help people with motor impairments
Proceedings of the fifth international ACM conference on Assistive technologies
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Exploring Edge-Based Input Techniques for Handheld Text Entry
ICDCSW '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
EdgeWrite: a stylus-based text entry method designed for high accuracy and stability of motion
Proceedings of the 16th annual ACM symposium on User interface software and technology
The bubble cursor: enhancing target acquisition by dynamic resizing of the cursor's activation area
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The vacuum: facilitating the manipulation of distant objects
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Effect of age and Parkinson's disease on cursor positioning using a mouse
Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility
Developing steady clicks:: a method of cursor assistance for people with motor impairments
Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ThumbSpace: generalized one-handed input for touchscreen-based mobile devices
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction
An investigation into round touchscreen wristwatch interaction
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Proceedings of the 10th international ACM SIGACCESS conference on Computers and accessibility
Bezel swipe: conflict-free scrolling and multiple selection on mobile touch screen devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Context-enhanced interaction techniques for more accessible mobile phones
ACM SIGACCESS Accessibility and Computing
Small-device users situationally impaired by input
Computers in Human Behavior
Artex: artificial textures from every-day surfaces for touchscreens
CHI '10 Extended Abstracts on Human Factors in Computing Systems
Assessing mobile touch interfaces for tetraplegics
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Towards accessible touch interfaces
Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility
Ability-Based Design: Concept, Principles and Examples
ACM Transactions on Accessible Computing (TACCESS)
Evaluating swabbing: a touchscreen input method for elderly users with tremor
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
RegionalSliding: enhancing target selection on touchscreen-based mobile devices
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Proceedings of the 10th SIGPLAN symposium on New ideas, new paradigms, and reflections on programming and software
User learning and performance with bezel menus
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
BiTouch and BiPad: designing bimanual interaction for hand-held tablets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Digging unintentional displacement for one-handed thumb use on touchscreen-based mobile devices
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
PocketMenu: non-visual menus for touch screen devices
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
High-performance pen + touch modality interactions: a real-time strategy game eSports context
Proceedings of the 25th annual ACM symposium on User interface software and technology
Elderly text-entry performance on touchscreens
Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Physical accessibility of touchscreen smartphones
Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility
Architecture of an automated therapy tool for childhood apraxia of speech
Proceedings of the 15th International ACM SIGACCESS Conference on Computers and Accessibility
LensGesture: augmenting mobile interactions with back-of-device finger gestures
Proceedings of the 15th ACM on International conference on multimodal interaction
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Mobile phones and personal digital assistants (PDAs) are incredibly popular pervasive technologies. Many of these devices contain touch screens, which can present problems for users with motor impairments due to small targets and their reliance on tapping for target acquisition. In order to select a target, users must tap on the screen, an action which requires the precise motion of flying into a target and lifting without slipping. In this paper, we propose a new technique for target acquisition called barrier pointing, which leverages the elevated physical edges surrounding the screen to improve pointing accuracy. After designing a series of barrier pointing techniques, we conducted an initial study with 9 able bodied users and 9 users with motor impairments in order to discover the parameters that make barrier pointing successful. From this data, we offer an in-depth analysis of the performance of two motor impaired users for whom barrier pointing was especially beneficial. We show the importance of providing physical stability by allowing the stylus to press against the screen and its physical edge. We offer other design insights and lessons learned that can inform future attempts at leveraging the physical properties of mobile devices to improve accessibility.