| to demonstrate efficacy | 2 | purpose |
| process → require → research | 39 |
| process → take → research | 22 |
| process → entail → research | 5 |
| negative | neutral | positive |
| 0.093 | 0.660 | 0.246 |
| Raw frequency | 66 |
| Normalized frequency | 0.382 |
| Modifier score | 0.600 |
| Perplexity | 217.817 |