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http://dx.doi.org/10.5762/KAIS.2019.20.7.571

The Usability Study on Korea Express Bus with Wheelchair Access  

Kim, Jeong-Hyun (Usability Center, Enabling Science Technology Research Center, Yonsei University)
Kim, Jongbae (Department of Occupational Therapy, College of Health Science, Yonsei University)
Hwang, Su-Bin (Department of Occupational Therapy, Graduate School, Yonsei University)
Jang, Wan-Ho (Department of Occupational Therapy, Graduate School, Yonsei University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.7, 2019 , pp. 571-577 More about this Journal
Abstract
This study examined the usability of express buses for wheelchair users to identify the effectiveness, efficiency and satisfaction of wheelchair boarding systems. The usability of 11 manual wheelchair users and nine powered wheelchair users was evaluated using the following three scenarios: boarding the wheelchair accessible bus, moving inside, and alighting the bus. The results showed that 20 wheelchair users completed three scenarios, which was distributed between 0.33 and 1.36 in the difficulty rating scale of the efficiency. The task effort of the efficiency was measured from 8.36 to 11.78. The acceptability of the satisfaction was distributed between 1.00 and 2.00, and the system usability scale was measured in an acceptable boundary of the C grade at 70.7 points with manual wheelchair users and a B grade at 73.1 points with powered wheelchair users. This study has academic significance because it provides basic evidence for accessibility, securing the right to movement and research methods of public transportation for people with disabilities. To improve the quality level of usability in the future, more study with a larger number of research participants and various wheelchair types should be studied.
Keywords
Wheelchair; Bus; Usability; Accessibility; Mobility;
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