| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, students did this | 21176 |
11.7%
|
| 2 | Yes, but only the teacher demonstrated this | 22373 |
12.4%
|
| 3 | No | 137339 |
75.9%
|
| 7 | N/A | 80314 | |
| 8 | Invalid | 183 | |
| 9 | Missing | 9938 |