| Incident | No. Interviews | No. Mentions |
| 1) Language, expression, communication | 11 | 25 |
| 2) Attainment | 11 | 19 |
| 3) Reasoning | 9 | 21 |
| 4) Relationship between students | 7 | 14 |
| 5) Contextualisation | 5 | 6 |
| 6) Educational background | 5 | 11 |
| 7) Relationship between teacher and students | 4 | 7 |
| 8) Evaluation | 4 | 11 |
| 9) Pace | 3 | 3 |