Pruning a decision tree for selecting computer-related assistive devices for people with disabilities

IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
Chia-Fen ChiYuh Jang

Abstract

Many disabled individuals lack extensive knowledge about assistive technology, which could help them use computers. In 1997, Denis Anson developed a decision tree of 49 evaluative questions designed to evaluate the functional capabilities of the disabled user and choose an appropriate combination of assistive devices, from a selection of 26, that enable the individual to use a computer. In general, occupational therapists guide the disabled users through this process. They often have to go over repetitive questions in order to find an appropriate device. A disabled user may require an alphanumeric entry device, a pointing device, an output device, a performance enhancement device, or some combination of these. Therefore, the current research eliminates redundant questions and divides Anson's decision tree into multiple independent subtrees to meet the actual demand of computer users with disabilities. The modified decision tree was tested by six disabled users to prove it can determine a complete set of assistive devices with a smaller number of evaluative questions. The means to insert new categories of computer-related assistive devices was included to ensure the decision tree can be expanded and updated. The current decision...Continue Reading

References

Feb 1, 1994·The American Journal of Occupational Therapy : Official Publication of the American Occupational Therapy Association·D Anson
Sep 30, 2000·Assistive Technology : the Official Journal of RESNA·L Thompson
Sep 30, 2000·Assistive Technology : the Official Journal of RESNA·K P Murphy
Aug 6, 2003·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·P R Kennedy, K D Adams
Jun 1, 2005·International Journal of Medical Informatics·Isabelle ColombetGilles Chatellier
Apr 7, 2006·Journal of Communication Disorders·Travis T Threats
Oct 11, 2008·Scandinavian Journal of Occupational Therapy·T BerndL P De Witte

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Citations

Aug 16, 2014·Accident; Analysis and Prevention·Chia-Fen ChiRatna Sari Dewi

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