VTAssist

Bhatia, Sarav; Dahn, Curtis; Lee, Jason Chong; Sampat, Miten; McCrickard, D. Scott

doi:10.1145/1185448.1185560

Cited by 3 publications

References 8 publications

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Participatory Design with Blind Users: A Scenario-Based Approach

Sahib

Stockman

Tombros

et al. 2013

Lecture Notes in Computer Science

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Abstract. Through out the design process, designers have to consider the needs of potential users. This is particularly important, but rather harder, when the designers interact with the artefact to-be-designed using different senses or devices than the users, for example, when sighted designers are designing an artefact for use by blind users. In such cases, designers have to ensure that the methods used to engage users in the design process and to communicate design ideas are accessible. In this paper, we describe a participatory approach with blind users based on the use of a scenario and the use of dialogue-simulated interaction during the development of a search interface. We achieved user engagement in two ways: firstly, we involved a blind user with knowledge of assistive technologies in the design team and secondly, we used a scenario as the basis of a dialogue between the designers and blind users to simulate interaction with the proposed search interface. Through this approach, we were able to verify requirements for the proposed search interface and blind searchers were able to provide formative feedback, to critique design plans and to propose new design ideas based on their experience and expertise with assistive technologies. In this paper, we describe the proposed scenario-based approach and examine the types of feedback gathered from its evaluation with blind users. We also critically reflect on the benefits and limitations of the approach, and discuss practical considerations in its application.

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Participatory Design with Blind Users: A Scenario-Based Approach

Sahib

Stockman

Tombros

et al. 2013

Lecture Notes in Computer Science

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An integrative approach to requirements analysis: How task models support requirements reuse in a user-centric design framework

Montabert

McCrickard

Winchester

et al. 2009

Interacting with Computers

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a b s t r a c tMany software systems fail to address their intended purpose because of a lack of user involvement and requirements deficiencies. This paper discusses the elaboration of a requirements-analysis process that integrates a critical-parameter-based approach to task modeling within a user-centric design framework. On one hand, adapting task models to capture requirements bridges the gap between scenarios and critical parameters which benefits design from the standpoint of user involvement and accurate requirements. On the other hand, using task models as a reusable component leverages requirements reuse which benefits design by increasing quality while simultaneously reducing development costs and time-to-market. First, we present the establishment of both a user-centric and reuse-centric requirements process along with its implementation within an integrated design tool suite. Secondly, we report the design, procedures, and findings of two user studies aimed at assessing the feasibility for novice designers to conduct the process as well as evaluating the resulting benefits upon requirements-analysis deliverables, requirements quality, and requirements reuse.

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Building Applications to Establish Location Awareness

McCrickard

Sampat²,

Lee

Ubiquitous Computing

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An emerging challenge in the design of interfaces for mobile devices is the appropriate use of information about the location of the user. This chapter considers tradeoffs in privacy, computing power, memory capacity, and wireless signal availability that accompany the obtaining and use of location information and other contextual information in the design of interfaces. The increasing ability to integrate location knowledge in our mobile, ubiquitous applications and their accompanying tradeoffs requires that we consider their impact on the development of user interfaces, leading to an agile usability approach to design borne from agile software development and usability engineering. The chapter concludes with three development efforts that make use of location knowledge in mobile interfaces.

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VTAssist

Cited by 3 publications

References 8 publications

Participatory Design with Blind Users: A Scenario-Based Approach

Participatory Design with Blind Users: A Scenario-Based Approach

An integrative approach to requirements analysis: How task models support requirements reuse in a user-centric design framework

Building Applications to Establish Location Awareness

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