System Usability Scale
The System Usability Scale, or SUS, is a ten-item questionnaire used to collect a rating of perceived usability
What it means, how it is used and where it comes up, with its related concepts.
What it is and how it works
It produces a score from zero to one hundred through a specific calculation procedure. That score is not a percentage of tasks completed. It should be interpreted in context and combined with observation of use to understand what to improve.
Also known as
SUS