| Typicality: | 0.651 |
| Saliency: | 0.561 |
| at the university of pennsylvania | 14 | location |
| previously | 3 | temporal |
| before implementation of the amendments | 2 | temporal |
| protocol → be approved by → institutional review board | 25 |
| protocol → be approved by → the institutional review board | 23 |
| protocol → be approved by → institutional review boards | 12 |
| protocol → be approved by → an institutional review board | 4 |
| negative | neutral | positive |
| 0.008 | 0.700 | 0.293 |
| Raw frequency | 64 |
| Normalized frequency | 0.561 |
| Modifier score | 1.000 |
| Perplexity | 95.577 |