| Typicality: | 0.457 |
| Saliency: | 0.258 |
| since 1984 | 3 | temporal |
| mainly | 2 | degree |
| in others | 2 | location |
| trial → be conducted in → high-income countries | 6 |
| trial → be conducted in → developing countries | 5 |
| trial → be conducted in → developed countries | 4 |
| negative | neutral | positive |
| 0.133 | 0.705 | 0.162 |
| Raw frequency | 15 |
| Normalized frequency | 0.258 |
| Modifier score | 0.800 |
| Perplexity | 33.853 |