| to their welfare | 5 | transitive-object |
| to development | 5 | purpose |
| in both quantifiable and psychological ways | 4 | manner |
| union → be → useful | 24 |
| union → be → valuable | 13 |
| negative | neutral | positive |
| 0.166 | 0.393 | 0.441 |
| Raw frequency | 37 |
| Normalized frequency | 0.478 |
| Modifier score | 0.500 |
| Perplexity | 123.088 |