Investigating Best Practices for Remote Summative Usability Testing with People with Mild to Moderate Dementia.

IF 2.5 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS ACM Transactions on Accessible Computing Pub Date : 2021-01-01 DOI:10.1145/3460942
Rachel Wood, Emma Dixon, Salma Elsayed-Ali, Etka Shokeen, Amanda Lazar, Jonathan Lazar
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Abstract

People with dementia may miss out on the benefits of using technology, because they often find it difficult to use. Usability testing is one method to identify barriers and areas for improvement in technology. Unfortunately, usability testing is often not conducted with people with dementia, independent of their caregivers. Difficulty recruiting local participants with dementia who regularly use technology further compounds the problem. Remote methods have been proposed as one approach to recruiting hard-to-reach populations. Currently, it is unclear how to effectively conduct remote summative usability testing with people with dementia. We recruited 15 participants. Five took part in the pilot study and 10 participated in the main study. We identify best practices and make suggestions for remote summative usability tests with people who have mild to moderate dementia, independent of caregivers. We discuss our findings in three sections: (1) logistics for planning remote summative usability testing, (2) approaches for conducting remote summative usability testing, including modifications of research methods, and (3) considerations when evaluating findings from remote summative usability sessions. We also present modified usability testing methods we developed to meet the unique needs of users with mild to moderate dementia, and summarize lessons learned and new directions for research on this topic.

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研究对轻度至中度痴呆症患者进行远程总结性可用性测试的最佳实践。
痴呆症患者可能会错过使用技术的好处,因为他们经常发现技术难以使用。可用性测试是确定技术障碍和需要改进之处的一种方法。遗憾的是,可用性测试通常不在痴呆症患者的照顾者之外进行。很难在当地招募到经常使用技术的痴呆症患者,这进一步加剧了问题的严重性。有人提出了远程方法作为招募难以接触人群的一种方法。目前,还不清楚如何有效地对痴呆症患者进行远程总结性可用性测试。我们招募了 15 名参与者。其中 5 人参加了试点研究,10 人参加了主要研究。我们为轻度至中度痴呆症患者的远程总结性可用性测试确定了最佳实践并提出了建议,这些测试是在没有护理人员的情况下进行的。我们将分三部分讨论我们的发现:(1)规划远程总结性可用性测试的后勤工作,(2)进行远程总结性可用性测试的方法,包括研究方法的修改,以及(3)评估远程总结性可用性测试结果时的注意事项。我们还介绍了为满足轻度至中度痴呆症用户的独特需求而开发的经过修改的可用性测试方法,并总结了在这一课题上的经验教训和新的研究方向。
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来源期刊
ACM Transactions on Accessible Computing
ACM Transactions on Accessible Computing COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
CiteScore
6.20
自引率
8.30%
发文量
43
期刊介绍: Computer and information technologies have re-designed the way modern society operates. Their widespread use poses both opportunities and challenges for people who experience various disabilities including age-related disabilities. That is, while there are new avenues to assist individuals with disabilities and provide tools and resources to alleviate the traditional barriers encountered by these individuals, in many cases the technology itself presents barriers to use. ACM Transactions on Accessible Computing (TACCESS) is a quarterly peer-reviewed journal that publishes refereed articles addressing issues of computing that seek to address barriers to access, either creating new solutions or providing for the more inclusive design of technology to provide access for individuals with diverse abilities. The journal provides a technical forum for disseminating innovative research that covers either applications of computing and information technologies to provide assistive systems or inclusive technologies for individuals with disabilities. Some examples are web accessibility for those with visual impairments and blindness as well as web search explorations for those with limited cognitive abilities, technologies to address stroke rehabilitation or dementia care, language support systems deaf signers or those with limited language abilities, and input systems for individuals with limited ability to control traditional mouse and keyboard systems. The journal is of particular interest to SIGACCESS members and delegates to its affiliated conference (i.e., ASSETS) as well as other international accessibility conferences. It serves as a forum for discussions and information exchange between researchers, clinicians, and educators; including rehabilitation personnel who administer assistive technologies; and policy makers concerned with equitable access to information technologies.
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