Usability 101 Introduction to Usability

Usability 101: Introduction to Usability

This is the article to give to your boss or anyone else who doesn’t have much time, but needs to know the basic usability facts.

What — Definition of Usability

Usability is a quality attribute that assesses how easy user interfaces are to use. The word “usability” also refers to methods for improving ease-of-use during the design process.

Usability is defined by 5 quality components :

  • Learnability : How easy is it for users to accomplish basic tasks the first time they encounter the design?
  • Efficiency : Once users have learned the design, how quickly can they perform tasks?
  • Memorability : When users return to the design after a period...


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