| Typicality: | 0.586 |
| Saliency: | 0.408 |
| for these analyses | 4 | purpose |
| for the rt-pcr reactions | 3 | purpose |
| in our experiment | 2 | temporal |
| sample → be used as → negative controls | 20 |
| sample → be used as → negative control | 18 |
| sample → serve as → negative controls | 10 |
| sample → serve as → negative control | 6 |
| sample → be included as → negative controls | 3 |
| sample → be analyzed as → negative controls | 3 |
| negative | neutral | positive |
| 0.305 | 0.669 | 0.026 |
| Raw frequency | 60 |
| Normalized frequency | 0.408 |
| Modifier score | 1.000 |
| Perplexity | 47.294 |