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Usability Evaluation of the SmartWheeler through Qualitative and Quantitative Studies
Adina M Panchea1, Nathalie Todam Nguepnang2, Dahlia Kairy2
1Laboratoire de Robotique Intelligente/Interactive/Intégrée/Interdisciplinaire, Institut Interdisciplinaire d'Innovation Technologique (3IT), Université de Sherbrooke, Sherbrooke, QC J1K 0A5, Canada.
Sensors (Basel, Switzerland)
|August 12, 2022
Summary
This study evaluated an intelligent powered wheelchair (IPW) with novice users. Findings indicate the IPW is sufficiently usable and robust, with suggestions for future improvements.
Area of Science:
- Robotics and Human-Computer Interaction
- Assistive Technology Research
- Rehabilitation Engineering
Background:
- Intelligent powered wheelchairs (IPWs) are crucial for enhancing user quality of life.
- Despite advancements since 2006, challenges in IPW usability and functionality persist.
- Ongoing research aims to address these challenges through user-centered design.
Purpose of the Study:
- To evaluate the usability and functionalities of a novel intelligent powered wheelchair (IPW).
- To gather feedback from novice users on IPW performance and user experience.
- To identify areas for improvement in IPW design and features.
Main Methods:
- A two-part study involving novice IPW users from an engineering faculty.
- Quantitative analysis using the System Usability Scale (SUS) questionnaire.
- Qualitative analysis through open-ended questions on IPW functionalities.
Main Results:
- Novice users exhibited varied interaction behaviors with the IPW.
- The IPW achieved an "okay" usability rating (68 SUS Score) from novice users.
- Feedback identified specific advantages, disadvantages, and areas for system enhancement.
Conclusions:
- The intelligent powered wheelchair (IPW) demonstrated sufficient usability and robustness among novice users.
- User feedback provides valuable insights for refining IPW design and functionality.
- The study highlights the importance of incorporating user perspectives in assistive technology development.
