Awareness and coordination in shared workspaces
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
HandJive: a device for interpersonal haptic entertainment
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tangible interfaces for remote collaboration and communication
CSCW '98 Proceedings of the 1998 ACM conference on Computer supported cooperative work
Ambient touch: designing tactile interfaces for handheld devices
Proceedings of the 15th annual ACM symposium on User interface software and technology
Active click: tactile feedback for touch panels
CHI '01 Extended Abstracts on Human Factors in Computing Systems
ComTouch: design of a vibrotactile communication device
DIS '02 Proceedings of the 4th conference on Designing interactive systems: processes, practices, methods, and techniques
The impact of delayed visual feedback on collaborative performance
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
An initial investigation into non-visual computer supported collaboration
CHI '07 Extended Abstracts on Human Factors in Computing Systems
Modeling the effects of delayed haptic and visual feedback in a collaborative virtual environment
ACM Transactions on Computer-Human Interaction (TOCHI)
Multimodal collaborative handwriting training for visually-impaired people
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Investigating the effectiveness of tactile feedback for mobile touchscreens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Designing haptic icons to support collaborative turn-taking
International Journal of Human-Computer Studies
Rich Tactile Output on Mobile Devices
AmI '08 Proceedings of the European Conference on Ambient Intelligence
Exploring the potential of audio-tactile messaging for remote interpersonal communication
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Where is my team: supporting situation awareness with tactile displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tactile brush: drawing on skin with a tactile grid display
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Mobile and handheld devices have become platforms to support remote collaboration. But, their small form-factor may impact the effectiveness of the visual feedback channel often used to help users maintain an awareness of their partner's activities during synchronous collaborative tasks. We investigated how visual and tactile feedback affects collaboration on mobile devices, with emphasis on spatial coordination in a shared workspace. From two user studies, our results highlight different benefits of each feedback channel in collaborative handheld systems. Visual feedback can provide precise spatial information for collaborators, but degrades collaboration when the feedback is occluded, and sometimes can distract the user's attention. Spatial tactile feedback can reduce the overload of information in visual space and gently guides the user's attention to an area of interest. Our results also show that visual and tactile feedback can complement each other, and systems using both feedback channels can support better spatial coordination than systems using only one form of feedback.