ROI Use = Improve Effectiveness


  • Increase success rate, reduce user error

    "In Jared Spool's study of 15 large commercial sites users could only find information 42% of the time even though were taken to the correct home page before they were given the test tasks." (Nielsen, October 1998)
  • Increase efficiency/productivity (reduce time to complete task)

    "Inadequate use of usability engineering methods in software development projects have been estimated to cost the US economy about $30 billion per year in lost productivity." (Landauer, 1995)
  • Increase user satisfaction

    "In a Gartner Group study, usability methods raised user satisfaction ratings for a system by 40%; when systems match user needs, satisfaction often improves dramatically." (Bias & Mayhew, 1994)



money


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