Impact of Evaluating the Usability of Assisted Technology Oriented by Protocol

Abstract

The main objective of this research is to provide a procedure set, oriented by a clear and rigorous protocol that allows the replication of results regarding the accessibility claims of products and systems available for the blind community, thus validating their robustness. The goal during the experiment was to compare user preferences and effectiveness when performing tasks with the voice synthesizers JAWS and DOSVOX and a braille keyboard. The adopted evaluation protocol includes the following methods: usability testing, focus group, and user satisfaction survey. The study developed with the proposed protocol investigates assistive technology adequacy to target users. The tasks performed by 30 users were categorized as activities of entertainment, learning, and social inclusion. It is considered that the main contribution of this chapter is to provide the protocol and methodology, adapted for use in evaluations of accessibility products and devices.

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