| during a self-study | 9 | temporal |
| prior to the change | 9 | temporal |
| widely | 8 | degree |
| change → be → discussed | 454 |
| change → be under → discussion | 16 |
| change → be in → discussion | 9 |
| change → be → discussion | 5 |
| negative | neutral | positive |
| 0.092 | 0.765 | 0.143 |
| Raw frequency | 484 |
| Normalized frequency | 0.576 |
| Modifier score | 0.665 |
| Perplexity | 86.618 |