Chapter 7Developing a Testing Method for Dynamic Narrative
Alex Tilley, Carmen Blandino, and Jennifer deWinter
Designed for use on task-oriented software such as word processors and account managers, usability is defined by the ISO 9241-11 standard as the “extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use.” It reflects the goals of the task-oriented software designer to create a product such that a user can use it without hindrance, hesitation, questions, or frustration. Each usability criteria (effectiveness, efficiency, and satisfaction) can be evaluated quantitatively; effectiveness can be measured in completion rates and errors, ...
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