Factors Measured in Usability Testing

The most common factors measured in usability testing include:

  • Effectiveness: a user’s ability to successfully use a website to find information and/or accomplish tasks
  • Efficiency: a user’s ability to quickly accomplish tasks with ease and without frustration
  • Satisfaction: how satisfied the user is with site
  • Error frequency and severity: how often users make errors while using the system, how serious the errors are, and how users recover from the errors
  • Memorability: a user’s ability to remember enough to use the site effectively after his or her first visit

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