Technical Reports

The ICICS/CS Reading Room

UBC CS TR-2004-15 Summary

Learning and Identifying Haptic Icons under Workload, April 25, 2005 Andrew Chan, Karon MacLean and Joanna McGrenere, 10 pages

This work addresses the use of vibrotactile haptic feedback to transmit background information with variable intrusiveness, when recipients are engrossed in a primary visual and/or auditory task. We describe two studies designed to (a) perceptually optimize a set of vibrotactile "icons" and (b) evaluate users' ability to identify them in the presence of varying degrees of workload. Seven icons learned in approximately 3 minutes were each typically identified within 2.5 s and at 95% accuracy in the absence of workload.

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