An approach for assessing usability and accessibility of assistive technology for persons with disabilities

IF 3.1 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL
Vanessa Nasr , Mark Benden , Maryam Zahabi
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引用次数: 0

Abstract

Assistive technologies can help persons with disabilities (PWD) gain independence and improve their quality of life. However, for these technologies to be helpful, interface design is important to ensure devices can be seamlessly added to everyday life. This study investigates a novel approach to assess the usability of assistive technologies called SUMA – The Single Usability Metric that Accounts for Accessibility. The model includes 13 common measures used to capture website and app usability with special consideration to measure accessibility. To simplify the model, user testing was conducted with PWD, and principal component analysis of the results revealed a subset of dimensions. The finalized SUMA model includes four usability metrics: satisfaction, efficiency, learnability, and accessibility. The model is coded into an Excel workbook enabling other researchers to easily use SUMA to assess the usability of their technologies for PWD. Findings highlighted the importance of capturing accessibility to ensure inclusive design.
一种评估残疾人辅助技术的可用性和可及性的方法
辅助技术可以帮助残疾人获得独立并改善他们的生活质量。然而,为了使这些技术发挥作用,界面设计对于确保设备可以无缝地添加到日常生活中非常重要。本研究探讨了一种新的方法来评估辅助技术的可用性,称为SUMA -单一可用性指标,说明可访问性。该模型包括13种常用的测量方法,用于捕获网站和应用程序的可用性,并特别考虑测量可访问性。为了简化模型,使用PWD进行了用户测试,并对结果进行了主成分分析,得出了一个维度子集。最终的SUMA模型包括四个可用性度量:满意度、效率、可学习性和可访问性。该模型被编码到Excel工作簿中,使其他研究人员能够轻松使用SUMA来评估其技术对PWD的可用性。调查结果强调了捕捉可达性对确保包容性设计的重要性。
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来源期刊
Applied Ergonomics
Applied Ergonomics 工程技术-工程:工业
CiteScore
7.50
自引率
9.40%
发文量
248
审稿时长
53 days
期刊介绍: Applied Ergonomics is aimed at ergonomists and all those interested in applying ergonomics/human factors in the design, planning and management of technical and social systems at work or leisure. Readership is truly international with subscribers in over 50 countries. Professionals for whom Applied Ergonomics is of interest include: ergonomists, designers, industrial engineers, health and safety specialists, systems engineers, design engineers, organizational psychologists, occupational health specialists and human-computer interaction specialists.
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