| Frequency of Errors Based on Newman’s Error Hierarchy Model | |||||
| Item | Comprehension | Transformation | Process Skills | Encoding | Total** |
| 16 | 2 | 2 | 3 | 1 | 8 |
| 17 | 7 |
| 22 |
| 29 |
| Total** | 9 | 2 | 25 | 1 | 37 |