Itqualityassurance
What is SUS grading?
Interpreting System Usability Scale (SUS) Score
SUS score will be able to tell you your usability performance in the aspects of effectiveness, efficiency, and overall ease of use. Although each responses yield a score on a scale of 0 – 100, do not mistake it as a percentage or percentile. The average SUS score is 68.
What is an acceptable SUS score?
What is a Good SUS Score? The average SUS score from all 500 studies is a 68. A SUS score above a 68 would be considered above average and anything below 68 is below average. The best way to interpret your score is to convert it to a percentile rank through a process called normalizing.
What is SUS standard?
The System Usability Scale (SUS) provides a “quick and dirty”, reliable tool for measuring the usability. It consists of a 10 item questionnaire with five response options for respondents; from Strongly agree to Strongly disagree.
