Implementing Ability-Based Design: A Systematic Approach to Conceptual User Modeling

IF 2.5 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS ACM Transactions on Accessible Computing Pub Date : 2022-07-29 DOI:10.1145/3551646
Amelie Nolte, J. Wobbrock, Torben Volkmann, Nicole Jochems
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引用次数: 4

Abstract

The notion of Ability-Based Design, put forth by Wobbrock et al. [80, 82] as a solution to the challenge of creating accessible technology, has been discussed in human-computer interaction research now for over a decade. However, despite being cited as influential on various projects, the concept still lacks a general characterization of how to implement its required focus on abilities. In particular, it lacks a formulation of how to perceive and model users within an articulated design process. To address this shortcoming, we rely on conceptual user modeling to examine Ability-Based Design and propose a characterization of it that is not dependent upon a specific project or research effort but that enables the ability-based design of new technologies in a systematic manner. Our findings show that Ability-Based Design’s focus on abilities requires important changes in typical user modeling approaches that cannot be met with current techniques. Based on the challenges identified through our analysis, we propose a first modification not only of current user modeling but also of current requirements analysis approaches to address abilities and their intertwined dependencies with tasks and contexts as core elements of conceptual models in Ability-Based Design. We thereby demonstrate not only the complexity of modeling users’ abilities, but also draw out promising ideas and perspectives for future research, emphasizing the need for future evaluative work on our approach.
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实现基于能力的设计:概念用户建模的系统方法
由Wobbrock等人[80,82]提出的基于能力的设计(Ability-Based Design)概念,作为创造无障碍技术挑战的解决方案,已经在人机交互研究中讨论了十多年。然而,尽管被认为对各种项目都有影响,这个概念仍然缺乏一个关于如何实现其对能力的必要关注的一般特征。特别是,它缺乏如何在一个明确的设计过程中感知和建模用户的公式。为了解决这个缺点,我们依靠概念用户建模来检查基于能力的设计,并提出一个不依赖于特定项目或研究工作的特征,但能够以系统的方式实现基于能力的新技术设计。我们的研究结果表明,基于能力的设计对能力的关注需要对典型的用户建模方法进行重要的改变,这是当前技术无法满足的。基于我们通过分析确定的挑战,我们提出了第一个修改,不仅对当前的用户建模,而且对当前的需求分析方法进行修改,以解决能力及其与任务和上下文的相互交织的依赖关系,作为基于能力的设计概念模型的核心元素。因此,我们不仅展示了建模用户能力的复杂性,而且还为未来的研究提出了有希望的想法和观点,强调了对我们的方法进行未来评估工作的必要性。
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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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