| Typicality: | 0.459 |
| Saliency: | 0.338 |
| over the years | 6 | temporal |
| often | 5 | temporal |
| widely | 2 | degree |
| rat → be used in → research | 7 |
| rat → be used for → further experiments | 4 |
| rat → be used in → many experimental studies | 3 |
| rat → be used in → scientific experiments | 3 |
| rat → be used for → research | 3 |
| negative | neutral | positive |
| 0.148 | 0.598 | 0.255 |
| Raw frequency | 20 |
| Normalized frequency | 0.338 |
| Modifier score | 0.700 |
| Perplexity | 45.977 |