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This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term–care home residents with cognitive impairments. J Rehabil Res Dev. 2011;48(7):801–22. DOI:10.1682/JRRD.2010.08.0147 Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term-care home residents with cognitive impairments Rosalie H. Wang, PhD, BSc (OT); Alex Mihailidis, PhD, PEng; Tilak Dutta, PhD(c), MASc; Geoff R. Fernie, PhD, PEng

2 This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term–care home residents with cognitive impairments. J Rehabil Res Dev. 2011;48(7):801–22. DOI:10.1682/JRRD.2010.08.0147 Purpose – Develop system that combines an interface with auditory, visual, and haptic feedback and a simulated collision-avoidance power wheelchair. – Test system’s efficiency, effectiveness, and user satisfaction in 5 long-term-care residents. Relevance – Long-term-care residents often have complex physical and cognitive impairments that impede safe and independent power wheelchair use. – New technology may help improve mobility.

3 This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term–care home residents with cognitive impairments. J Rehabil Res Dev. 2011;48(7):801–22. DOI:10.1682/JRRD.2010.08.0147 Methods Setup and operation of simulated collision-avoidance power wheelchair with multimodal feedback. 1. Obstacle at front left side. 2. Investigator presses key on computer that corresponds to location of obstacle. 3. Power wheelchair movement stops. 4. Delivery of auditory, visual, and haptic feedback.

4 This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term–care home residents with cognitive impairments. J Rehabil Res Dev. 2011;48(7):801–22. DOI:10.1682/JRRD.2010.08.0147 Methods Testing simulated collision-avoidance power wheelchair with multimodal feedback.

5 This article and any supplementary material should be cited as follows: Wang RH, Mihailidis A, Dutta T, Fernie GR. Usability testing of multimodal feedback interface and simulated collision-avoidance power wheelchair for long-term–care home residents with cognitive impairments. J Rehabil Res Dev. 2011;48(7):801–22. DOI:10.1682/JRRD.2010.08.0147 Conclusions Usability evaluation demonstrated that device is effective, efficient, and satisfying for long-term- care home residents with cognitive impairment. Future collision-avoidance power wheelchairs might benefit from adding− – Auditory feedback. – Visual indicators around joystick to display available directions of movement. – Blocks to joystick movement in directions of obstacles. – Increased driving speed (e.g., walking pace, if possible).

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