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Using OnScreenDualScribe to Support Text Entry and Targeting among Individuals with Physical Disabilities

Sidas Saulynas, Lula Albar, Ravi Kuber and Torsten Felzer

The 17th International ACM SIGACCESS Conference on Computers and Accessibility - Posters and Demos (ASSETS 2015)
Lisbon, Portugal, October 26-28, 2015


Summary

This paper presents a usability study on the OnScreenDualScribe (OSDS), a novel approach to supporting computer-based input among individuals with physical disabilities to facilitate text entry and cursor movement. A portable numeric keypad is used to interact with the OSDS, which can either be held by the user, or affixed to a surface for interaction. A study to determine the feasibility of the system was conducted with three individuals with physical disabilities. While it was noted that the time taken was higher to complete a task compared to their existing methods of computer-based input, findings also indicate that the system offers potential for tasks involving a combination of text entry and cursor movement (e.g., completing online forms). Furthermore, as the keypad is smaller in size compared with a traditional keyboard, participants suggested that it offered potential to reduce effort spent in the fatiguing process of traversal.


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