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| Signifier | Kappa value | |
|---|---|---|
| Direct mechanism | ||
| Full code | nn.nn | 0.92 |
| Level 1 | nn. | 0.97 |
| Level 2 | .nn | 0.92 |
| Indirect mechanism | ||
| Full code | nn.nn | 0.95 |
| Level 1 | nn. | 0.95 |
| Level 2 | .nn | 0.95 |
| Intermediate mechanism | ||
| Full code | nn.nn | 0.10 |
All kappa values statistically significant at p<0.05.
