Level of difficulty
Classification structure
| Code | Title |
|---|---|
| 1 | Not at all difficult |
| 2 | Somewhat difficult |
| 3 | Difficult |
| 4 | Very difficult |
| 5 | Not applicable |
- Date modified:
| Code | Title |
|---|---|
| 1 | Not at all difficult |
| 2 | Somewhat difficult |
| 3 | Difficult |
| 4 | Very difficult |
| 5 | Not applicable |