| for unscheduled cases | 3 | transitive-object |
| on mean turnover times | 3 | other |
| on students’ outcomes | 3 | transitive-object |
| feedback → have → effect | 8 |
| feedback → have → significant effect | 4 |
| feedback → have → what effect | 3 |
| feedback → can → affect | 3 |
| negative | neutral | positive |
| 0.201 | 0.654 | 0.145 |
| Raw frequency | 18 |
| Normalized frequency | 0.282 |
| Modifier score | 0.500 |
| Perplexity | 87.216 |