| Typicality: | 0.389 |
| Saliency: | 0.325 |
| previously | 2 | temporal |
| to seek alternative methods | 2 | purpose |
| concern → be raised by → researcher | 9 |
| concern → be expressed by → researcher | 6 |
| concern → prompted → researcher | 3 |
| concern → be voiced by → researcher | 3 |
| negative | neutral | positive |
| 0.264 | 0.656 | 0.080 |
| Raw frequency | 21 |
| Normalized frequency | 0.325 |
| Modifier score | 0.500 |
| Perplexity | 12.786 |