I needed to learn a lot of things before I could get going with this system.
I found the system very cumbersome to use. I would imagine that most people would learn to use this system very quickly. I thought there was too much inconsistency in this system. I found the various functions in this system were well integrated. I think that I would need the support of a technical person to be able to use this system. I found the system unnecessarily complex. I think that I would like to use this system frequently. When a SUS is used, participants are asked to score the following 10 items with one of five responses that range from Strongly Agree to Strongly disagree: SUS is not diagnostic - its use is in classifying the ease of use of the site, application or environment being tested The best way to interpret your results involves “normalizing” the scores to produce a percentile ranking There is a temptation, when you look at the scores, since they are on a scale of 0-100, to interpret them as percentages, they are not If you are considering using a SUS, keep the following in mind: Is valid – it can effectively differentiate between usable and unusable systems Is a very easy scale to administer to participantsĬan be used on small sample sizes with reliable results The noted benefits of using SUS include that it: SUS has become an industry standard, with references in over 1300 articles and publications. Originally created by John Brooke in 1986, it allows you to evaluate a wide variety of products and services, including hardware, software, mobile devices, websites and applications. It consists of a 10 item questionnaire with five response options for respondents from Strongly agree to Strongly disagree. The System Usability Scale (SUS) provides a “quick and dirty”, reliable tool for measuring the usability.
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