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| DCE | BWS | |||
|---|---|---|---|---|
| Difficulties in understanding the choice task (%) | Difficulties in answering the choice task (%) | Difficulties in understanding the choice task (%) | Difficulties in answering the choice task (%) | |
| Very difficult | 9.7 | 19.4 | 15.4 | 46.2 |
| Difficult | 16.1 | 64.5 | 38.5 | 46.2 |
| Not very difficult | 74.2 | 16.1 | 46.2 | 7.7 |
