| Themes | Source | References |
| What they did | 21 | 66 |
| Feelings about the course or activities | 34 | 70 |
| Statement of knowledge, comparison & conclusion | 32 | 70 |
| Reflections on their process and others’ | 22 | 42 |
| What they need to improve | 25 | 31 |
| Changes in perspective | 26 | 38 |