| Value | Category |
|---|---|
| 10 | minimally corr. |
| 11 | minimally corr. |
| 12 | minimally corr. |
| 13 | minimally corr. |
| 20 | partially corr. |
| 21 | partially corr. |
| 22 | partially corr. |
| 23 | partially corr. |
| 24 | partially corr. |
| 25 | partially corr. |
| 30 | correct response |
| 31 | correct response |
| 70 | incorrect response |
| 79 | other incor. response |
| 90 | crossed out, ... |
| 98 | not admin. |
| 99 | missing |
| 101 | .A |