CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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
The limits of expert performance using hierarchic marking menus
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
User learning and performance with marking menus
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Two-handed input in a compound task
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The design and evaluation of marking menus
The design and evaluation of marking menus
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
The PadMouse: facilitating selection and spatial positioning for the non-dominant hand
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Quikwriting: continuous stylus-based text entry
Proceedings of the 11th annual ACM symposium on User interface software and technology
The role of kinesthetic reference frames in two-handed input performance
Proceedings of the 12th annual ACM symposium on User interface software and technology
Symmetric bimanual interaction
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Comparison of two touchpad-based methods for numeric entry
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating two-handed input techniques: rectangle editing and navigation
CHI '99 Extended Abstracts on Human Factors in Computing Systems
GI '04 Proceedings of the 2004 Graphics Interface Conference
Simple vs. compound mark hierarchical marking menus
Proceedings of the 17th annual ACM symposium on User interface software and technology
AppLens and launchTile: two designs for one-handed thumb use on small devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
When it gets more difficult, use both hands: exploring bimanual curve manipulation
GI '05 Proceedings of Graphics Interface 2005
Bimanual and unimanual image alignment: an evaluation of mouse-based techniques
Proceedings of the 18th annual ACM symposium on User interface software and technology
symSpline: symmetric two-handed spline manipulation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Text entry using a dual joystick game controller
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Earpod: eyes-free menu selection using touch input and reactive audio feedback
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
TwoStick: writing with a game controller
GI '07 Proceedings of Graphics Interface 2007
Escape: a target selection technique using visually-cued gestures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
AVI '08 Proceedings of the working conference on Advanced visual interfaces
The design and evaluation of multitouch marking menus
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Analysing mouse and pen flick gestures
CHINZ '02 Proceedings of the SIGCHI-NZ Symposium on Computer-Human Interaction
Proceedings of the 10th asia pacific conference on Computer human interaction
Design and evaluation of finger-count interaction: Combining multitouch gestures and menus
International Journal of Human-Computer Studies
PinyinPie: a pie menu augmented soft keyboard for chinese pinyin input methods
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
Proton++: a customizable declarative multitouch framework
Proceedings of the 25th annual ACM symposium on User interface software and technology
Can you handle it?: bimanual techniques for browsing media collections on touchscreen tablets
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Improving two-thumb text entry on touchscreen devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Bezel-Tap gestures: quick activation of commands from sleep mode on tablets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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We investigate multistroke marking menus for multitouch devices and we show that using two hands can improve performance. We present two new two-handed multistroke marking menu variants in which users either draw strokes with both hands simultaneously or alternate strokes between hands. In a pair of studies we find that using two hands simultaneously is faster than using a single, dominant-handed marking menu by 10--15%. Alternating strokes between hands doubles the number of accessible menu items for the same number of strokes, and is similar in performance to using a one-handed marking menu. We also examine how stroke direction affects performance. When using thumbs on an iPod Touch, drawing strokes upwards and inwards is faster than other directions. For two-handed simultaneous menus, stroke pairs that are bilaterally symmetric or share the same direction are fastest. We conclude with design guidelines and sample applications to aid multitouch application developers interested in using one- and two-handed marking menus.