| Scale | No. items | Possible range | Actual range observed | Mean (SD) | Internal reliability |
| Interactivity | 3 | 3 to 9 | 3 to 9 | 6.0 (1.7) | r = 0.70 |
| Design | 4 | 4 to 12 | 4 to 12 | 9.3 (2.1) | r = 0.74 |
| Engagement | 5 | 5 to 15 | 5 to 15 | 9.4 (2.8) | r = 0.77 |
| Usability | 5 | 5 to 15 | 5 to 15 | 10.3 (2.7) | r = 0.80 |