| further | 14 | manner |
| not enough | 11 | degree |
| extensively | 7 | degree |
| effect → be → studied | 79 |
| effect → be → investigated | 58 |
| effect → be → examined | 28 |
| effect → be → researched | 6 |
| effect → be under → study | 4 |
| negative | neutral | positive |
| 0.156 | 0.767 | 0.076 |
| Raw frequency | 175 |
| Normalized frequency | 0.690 |
| Modifier score | 0.625 |
| Perplexity | 410.987 |