May 2016
Beginner
334 pages
11h 20m
English
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, ...