What does a high SUS score mean?
What does a high SUS score mean?
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 do SUS scores mean?
System Usability Scale
Abstract. The System Usability Scale (SUS) is an inexpensive, yet effective tool for assessing the usability of a product, including Web sites, cell phones, interactive voice response systems, TV applications, and more. It provides an easy-to-understand score from 0 (negative) to 100 (positive).
Is a higher SUS score better?
A SUS score of 74 has higher perceived usability than 70% of all products tested. It can be interpreted as a grade of a B-. You’d need to score above an 80.3 to get an A (the top 10% of scores). This is also the point where users are more likely to be recommending the product to a friend.
What does SUS usability mean?
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.
Why is SUS important?
Users with five or more years of experience with software generated SUS scores 11% higher than users with 0-3 years of experience. Usability predicts customer loyalty: In general, we find SUS scores predicts around 40% of why customers recommend software and websites as measured by the Net Promoter Score.
How do I work out my SUS score?
How to calculate a SUS score
- Add up the total score for all odd-numbered questions, then subtract 5 from the total to get (X).
- Add up the total score for all even-numbered questions, then subtract that total from 25 to get (Y).
- Add up the total score of the new values (X+Y) and multiply by 2.5. Example scoring:
How do you read SUS results?
Calculating System Usability Scale (SUS) Score
- Strongly Disagree: 1 point.
- Disagree: 2 points.
- Neutral: 3 points.
- Agree: 4 points.
- Strongly Agree: 5 points.
How do you analyze SUS?
Why do people do SUS things?
The System Usability Scale (SUS) is a ten-item questionnaire administered to users for measuring the perceived ease of use of software, hardware, cell phones and websites.
When was SUS invented?
The earliest Urban Dictionary definition was posted in August 2003 by a user named Diego who defined the term as simply, “Short for ‘suspect’ or suspicious. ‘” Since then, sus became a common American turn of phrase that was more widely used to describe anything that makes someone raise their eyebrow.
How do you respond to SUS?
You can reply to the story by saying ‘sus’ if you think that the chocolates are not that good. You can also use stickers to reply to a s story on Instagram DM. To do this, open Instagram, and click on the DM button on the right hand corner of the screen.
Why is SUS a popular evaluation survey?
The System Usability Scale is an example of a test level satisfaction questionnaire. The advantages of SUS is that it is comparatively quick, easy and inexpensive, whilst still being a reliable way of gauging usability.
