| Typicality: | 0.509 |
| Saliency: | 0.517 |
| on grounds of advancement of medicine | 21 | cause |
| to confirm this finding | 12 | purpose |
| clearly | 9 | degree |
| experiment → be → necessary | 107 |
| experiment → be → required | 40 |
| experiment → be required in → addition | 4 |
| experiment → be → desired | 4 |
| experiment → be → need | 4 |
| negative | neutral | positive |
| 0.169 | 0.711 | 0.121 |
| Raw frequency | 159 |
| Normalized frequency | 0.517 |
| Modifier score | 0.617 |
| Perplexity | 28.477 |