| widely | 14 | degree |
| well | 13 | degree |
| further | 9 | manner |
| model → be → studied | 116 |
| model → be → examined | 100 |
| model → be → explored | 77 |
| model → be → investigated | 57 |
| model → be → researched | 26 |
| model → be → study | 10 |
| model → be examined in → detail | 4 |
| model → be under → study | 3 |
| negative | neutral | positive |
| 0.061 | 0.737 | 0.202 |
| Raw frequency | 393 |
| Normalized frequency | 0.689 |
| Modifier score | 0.795 |
| Perplexity | 461.291 |