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Multiple haptic targets for motion-impaired computer users

Hwang, F. ORCID:, Keates, S., Langdon, P. and Clarkson, P. J. (2003) Multiple haptic targets for motion-impaired computer users. In: Proceedings of CHI'03, the conference on Human factors in computing systems. ACM, p. 41. ISBN 1-58113-630-7

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To link to this item DOI: 10.1145/642611.642620


Although a number of studies have reported that force feedback gravity wells can improve performance in "point-and-click" tasks, there have been few studies addressing issues surrounding the use of gravity wells for multiple on-screen targets. This paper investigates the performance of users, both with and without motion-impairments, in a "point-and-click" task when an undesired haptic distractor is present. The importance of distractor location is studied explicitly. Results showed that gravity wells can still improve times and error rates, even on occasions when the cursor is pulled into a distractor. The greatest improvement is seen for the most impaired users. In addition to traditional measures such as time and errors, performance is studied in terms of measures of cursor movement along a path. Two cursor measures, angular distribution and temporal components, are proposed and their ability to explain performance differences is explored.

Item Type:Book or Report Section
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:27027

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