| Scales | PT2a, n = 41 | PT2b, n = 20 | PT1, n = 49 |
| Attention | 4.1 (0.5) | 3.9 (0.6) | 4.3 (0.3) |
| Relevance | 4.3 (0.5) | 4.1 (0.7) | 4.5 (0.3) |
| Confidence | 4.0 (0.6) | 3.7 (0.6) | 4.2 (0.3) |
| Satisfaction | 3.9 (0.7) | 3.5 (0.9) | 4.3 (0.5) |