Toward accessibility with usability

Abstract

When applications intend to support accessibility, aspects of usability must be reviewed to adapt or extend common functional requirements that are implemented to ensure an easy use of applications. However, initiatives to develop guidelines for accessible mobile applications are recent and several approaches present only suggestions rather than a concrete list of requirements. This work presents an ample study on this subject, analyzing 247 scientific and technical articles to identify requirements that are discussed related to different types of impairments. This identification and further consolidation are carried out in a contextualized way via a classification schema proposed in this work. An observation based on analysis with real users is then performed to confirm and extend the initial requirements list and support our understanding about the limitations and needs of impaired users regarding the use of mobile technology. As result, this paper presents the main points of a guideline proposal for functional requirements, which should be considered by mobile applications to ensure accessibility with usability.

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