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Understanding the task demands for powered wheelchair driving: a think-aloud task analysis
Emma M Smith1,2, W Ben Mortenson2,3,4, Alex Mihailidis5
1Assisting Living and Learning (ALL) Institute, Maynooth University, Maynooth, Ireland.
Disability and Rehabilitation. Assistive Technology
|August 21, 2020
Summary
Powered wheelchair use requires diverse skills and knowledge across physical and mental functions. Training programs should comprehensively address these demands for safe and effective operation.
Area of Science:
- Rehabilitation Science
- Human Factors Engineering
- Assistive Technology
Background:
- Powered wheelchair use enhances participation for individuals with mobility impairments.
- Effective powered wheelchair use necessitates comprehensive user training.
- Limited evidence exists on the specific task demands for powered wheelchair skills training.
Purpose of the Study:
- To systematically explore the task demands of indoor powered wheelchair use.
- To identify frequently utilized skills, abilities, and knowledge for powered wheelchair operation.
Main Methods:
- A two-phased think-aloud process involving experienced users and clinicians.
- Task analysis of seven indoor driving tasks with concurrent and retrospective think-aloud protocols.
- Directed and conventional content analysis to map skills/abilities to the ICF framework and identify knowledge domains.
Main Results:
- 110 distinct skills and abilities were identified, mapped to the International Classification of Functioning, Disability and Health (ICF) domains.
- 80 skills/abilities related to Body Structures and Functions, 30 to Activities and Participation.
- Mental functions constituted approximately 50% of identified skills; four knowledge domains (self, environment, wheelchair, task) were identified.
Conclusions:
- Powered wheelchair operation is complex, requiring a broad spectrum of skills, abilities, and knowledge.
- Rehabilitation training programs must integrate skill development across all ICF domains, including mental and physical functions.
- Training should encompass the acquisition and application of essential knowledge for effective wheelchair use.
