| Question | Initial | Extraction |
| 2 | 2 | 0.75 |
| 3 | 2 | 0.60 |
| 4 | 2 | 0.56 |
| 7 | 2 | 0.66 |
| 10 | 2 | 0.62 |
| 11 | 2 | 0.43 |
| 12 | 2 | 0.67 |
| 13 | 2 | 0.70 |
| 14 | 2 | 0.83 |
| 15 | 2 | 0.83 |
| 16 | 2 | 0.68 |