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Descriptive statistics for System Usability Scale items.
| Items | Range | Mean (SD) | Skewness | Kurtosis |
| 1 | 1-5 | 4.71 (0.65) | –2.82 | 9.87 |
| 2 | 1-5 | 1.44 (1.03) | 2.40 | 4.70 |
| 3 | 2-5 | 4.92 (0.36) | –5.81 | 40.38 |
| 4 | 1-5 | 1.38 (1.04) | 2.51 | 4.75 |
| 5 | 1-5 | 4.85 (0.56) | –4.47 | 23.01 |
| 6 | 1-5 | 1.28 (0.83) | 3.12 | 9.26 |
| 7 | 1-5 | 3.58 (0.78) | –2.15 | 4.88 |
| 8 | 1-5 | 1.30 (0.92) | 3.06 | 8.16 |
| 9 | 3-5 | 4.86 (0.46) | –3.42 | 10.71 |
| 10 | 1-5 | 1.41 (1.08) | 2.52 | 4.95 |
| System Usability Scale score | 55-100 | 92.70 (10.73) | –1.61 | 1.77 |
