Number of occurrences of the participants’ SUS scores described as percentile ranks and grades, consistent with (Sauro, 2018)
| Percentile range | Grades | Count |
|---|---|---|
| 96–100 | A+ | 12 |
| 90–95 | A | 3 |
| 85–89 | A− | 0 |
| 80–84 | B+ | 3 |
| 70–79 | B | 2 |
| 65–69 | B− | |
| 60–64 | C+ | 0 |
| 41–59 | C | 2 |
| 35–40 | C− | 0 |
| 15–34 | D | 4 |
| Lower than the 15th percentile | F | 5 |
| Percentile range | Grades | Count |
|---|---|---|
| 96–100 | A+ | 12 |
| 90–95 | A | 3 |
| 85–89 | A− | 0 |
| 80–84 | B+ | 3 |
| 70–79 | B | 2 |
| 65–69 | B− | |
| 60–64 | C+ | 0 |
| 41–59 | C | 2 |
| 35–40 | C− | 0 |
| 15–34 | D | 4 |
| Lower than the 15th percentile | F | 5 |
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