| Typicality: | 0.490 |
| Saliency: | 0.388 |
| to materials | 12 | other |
| for anyone | 7 | transitive-object |
| to educators | 6 | transitive-object |
| manual → be → invaluable | 8 |
| manual → be → invaluable resource | 6 |
| manual → provide → invaluable resource | 6 |
| manual → be → invaluable aid | 4 |
| manual → be → invaluable tool | 3 |
| negative | neutral | positive |
| 0.015 | 0.187 | 0.798 |
| Raw frequency | 27 |
| Normalized frequency | 0.388 |
| Modifier score | 1.000 |
| Perplexity | 288.702 |