Usability

Usability

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Term2.png USABILITY
How efficiently and easily people can navigate an interface and use it as a source of information. The term usability also refers to methods for improving ease-of-use during the design process. Usability is defined by six quality components:
Qualities Content
Utility A key attribute of a design process is utility, which refers to the design's functionality. Usability and utility are equally important.
Learnability An easy way for users to accomplish basic tasks the first time they encounter the design (a user-friendly Website).
Efficiency Once users have learned the design, how quickly can they perform tasks.
Memorability When users return to the design after a period of time, how easily can they re-establish proficiency.
Errors How easily users can recover from the errors.
Satisfaction How pleasant is it to use the design process. [1]



References

  1. www.useit.com (23 July 2008), www.motive.co.nz (23 July 2008), Wikipedia (23 July 2008); Instructor Competencies - Standards for Face-to-Face, Online, and Blended Settings, James D. Klein, M.Michael Spector, B. Grabowski, Ileana de la Teja, 2004