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| Content Provider | ACM Digital Library |
|---|---|
| Author | Istance, Howell Vickers, Stephen Hyrskykari, Aulikki |
| Abstract | Gaze-based interaction techniques have been investigated for the last two decades, and in many cases the evaluation of these has been based on trials with able-bodied users and conventional usability criteria, mainly speed and accuracy. The target user group of many of the gaze-based techniques investigated is, however, people with different types of physical disabilities. We present the outcomes of two studies that compare the performance of two groups of participants with a type of physical disability (one being cerebral palsy and the other muscular dystrophy) with that of a control group of able-bodied participants doing a task using a particular gaze interaction technique. One study used a task based on dwell-time selection, and the other used a task based on gaze gestures. In both studies, the groups of participants with physical disabilities performed significantly worse than the able-bodied control participants. We question the ecological validity of research into gaze interaction intended for people with physical disabilities that only uses able-bodied participants in evaluation studies without any testing using members of the target user population. |
| Starting Page | 233 |
| Ending Page | 236 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781450312219 |
| DOI | 10.1145/2168556.2168603 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2012-03-28 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Gaze communication Representative users Physically disabled user groups Assistive input devices Eye tracking |
| Content Type | Text |
| Resource Type | Article |
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