How to interpret SUS learnability score?

1. How do you interpret a SUS score?
2. What does SUS level mean?
3. How many points is SUS rating scale?
4. When you look at the SUS scores since they are on a scale of 0 100 you can interpret them as percentages?

How do you interpret a 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 does SUS level mean?

The SUS rating is a number from 0 to 100. The higher the SUS of your site, the easier it is to use. The SUS is derived from a 10-item questionnaire that users answer after completing a test. The answers are on a scale of 1 to 5, where one means that they disagree completely and five that they fully agree.

How many points is SUS rating scale?

Adjectives

Building on the idea of using words instead of numbers to describe an experience, Bangor et al. associated 1,000 SUS scores with a 7-point adjective scale. The scale contains adjectives including “Good,” “OK,” and “Poor”—words users loosely associate with the usability of a product.

When you look at the SUS scores since they are on a scale of 0 100 you can interpret them as percentages?

Considerations when using a SUS

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. The best way to interpret your results involves “normalizing” the scores to produce a percentile ranking.