| experimentally | 18 | degree |
| by comparing it | 18 | manner |
| by comparing experimental results | 13 | manner |
| model → be → validated | 443 |
| model → be validated with → respect | 6 |
| model → be considered → validated | 4 |
| negative | neutral | positive |
| 0.054 | 0.665 | 0.281 |
| Raw frequency | 453 |
| Normalized frequency | 0.709 |
| Modifier score | 0.819 |
| Perplexity | 376.526 |