A comparison of three selection techniques for touchpads
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Overcoming the Lack of Screen Space on Mobile Computers
Personal and Ubiquitous Computing
HybridTouch: an intuitive manipulation technique for PDAs using their front and rear surfaces
Proceedings of the 8th conference on Human-computer interaction with mobile devices and 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
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Tactile feedback for mobile interactions
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Lucid touch: a see-through mobile device
Proceedings of the 20th annual ACM symposium on User interface software and technology
Investigating the effectiveness of tactile feedback for mobile touchscreens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SideSight: multi-"touch" interaction around small devices
Proceedings of the 21st annual ACM symposium on User interface software and technology
The performance of hand postures in front- and back-of-device interaction for mobile computing
International Journal of Human-Computer Studies
TouchBall: a design and evaluation of a hand-held trackball based touch-haptic interface
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Back-of-device interaction allows creating very small touch devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tactile feedback for predictive text entry
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Assessing subjective response to haptic feedback in automotive touchscreens
Proceedings of the 1st International Conference on Automotive User Interfaces and Interactive Vehicular Applications
SemFeel: a user interface with semantic tactile feedback for mobile touch-screen devices
Proceedings of the 22nd annual ACM symposium on User interface software and technology
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We present a study which compares touchscreen-based controls and physical controls for game input using Ubisoft's Assassin's Creed: Altair's Chronicles. Our study used the Apple iPhone as a representative touchscreen-based controller and the Nintendo DS for its physical control pad. Participants completed a game level four times on each platform. Level completion time and number of player deaths were recorded. Results indicate that physical buttons allowed significantly better performance than virtual buttons. Specifically, the number of character deaths on the iPhone was 150% higher than on the DS, while level completion time on the DS was 42% faster. The learning curve for the touchscreen version of the game was also steeper. Participants strongly preferred the physical buttons of the Nintendo DS. We conclude that either game designers should consider alternative input methods for touchscreen devices, or hardware designers should consider the inclusion of physical controls.