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Related Experiment Video

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Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Published on: June 1, 2015

Building an effective ontology for assistive technology.

Alexandra Danial-Saad¹, Tsvi Kuflik², Patrice L Tamar Weiss¹

¹Dept. of Occupational Therapy - University of Haifa.

Studies in Health Technology and Informatics

|August 22, 2015

Summary

Researchers developed an ontology for physically controllable pointing devices, a type of assistive technology (AT). This structured framework enhances AT prescription, standardization, and knowledge sharing in the field.

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Area of Science:

Rehabilitation Engineering
Human-Computer Interaction
Ontology Development

Background:

Assistive technology (AT) prescription for physically controllable pointing devices lacks standardization.
A structured approach is needed to improve AT selection and knowledge sharing.

Purpose of the Study:

To develop and validate an ontology for physically controllable pointing devices.
To enhance the systematic regulation and standardization within the AT field.

Main Methods:

The Delphi method was employed with six occupational therapists specializing in AT.
A three-round questionnaire process was used to identify and categorize key items.
Interrater reliability was assessed using the intraclass correlation coefficient (ICC).

Main Results:

Initial ICCs ranged from 0.19 to 0.97, improving to 0.72 to 1.0 by the second round.
Full expert consensus was achieved in the final round.
The validated ontology includes 218 items (5 categories) for pointing devices and 168 items (6 categories) for user profiles.

Conclusions:

The developed ontology provides a standardized structure for physically controllable pointing devices.
This framework is expected to improve AT regulation, knowledge sharing, and clinical practice.
Increased standardization can lead to more effective assistive technology solutions.