Example SUS scores / proof of outcome?

1. What is an acceptable SUS score?
2. What does the SUS score indicate?
3. What is the highest SUS score?

What is an acceptable SUS score?

Based on research, a SUS score above a 68 would be considered above average and anything below 68 is below average, however the best way to interpret your results involves “normalizing” the scores to produce a percentile ranking.

What does the SUS score indicate?

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.

What is the highest SUS score?

Scoring SUS

This scales all values from 0 to 4 (with four being the most positive response).