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Cognitive Impairments Simulation in a Holistic GUI Accessibility Assessment Framework

Athanasios Tsakiris · Panagiotis Moschonas · Nikolaos Kaklanis · Ioannis Paliokas · Georgios Stavropoulos · Dimitrios K. Tzovaras

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Digital Accessibility for Disabilities Usability and User Interface Design Assistive Technology in Communication and Mobility

Abstract

In this paper, we present a novel methodology to assess the accessibility and usability of Graphical User Interfaces (GUIs) using virtual user models to describe the users' cognitive capacities and applying these models in simulated interaction with virtual prototypes of ICT products' UIs. We have implemented two tools, to facilitate GUI accessibility assessment: VerSEd-GUI, which supports the creation of custom GUI interaction scenario sequences in an implementation-agnostic manner and VerSim-GUI, for the simulated reproduction of these interactions by virtual users with cognitive impairments. Using these tools, we create a holistic methodology to assess the cognitive accessibility of GUIs.

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2014Simulation-Based Accessibility Evaluation of Graphical User Interfaces Using Virtual User Models

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