| in order to hold a class | 10 | purpose |
| from professionals in the field | 9 | other |
| always | 6 | degree |
| minimum → be → required | 316 |
| minimum → be → must | 5 |
| minimum → be → applicable | 3 |
| negative | neutral | positive |
| 0.061 | 0.870 | 0.068 |
| Raw frequency | 324 |
| Normalized frequency | 1.000 |
| Modifier score | 0.814 |
| Perplexity | 15.999 |