Table 2.
Calculation of the discrimination index D.
| Reporting (yellow card) | Reporting (non-yellow card) | |
|---|---|---|
| Yellow card | 12 | 3 |
| Non-yellow card | 3 | 27 |
Calculation of the discrimination index D.
| Reporting (yellow card) | Reporting (non-yellow card) | |
|---|---|---|
| Yellow card | 12 | 3 |
| Non-yellow card | 3 | 27 |