| Variable | M (SD) | F | Df |
| Teaching level | 4.74 (0.96) | ||
| Primary | 5.73 (0.60) | ||
| Secondary | 6.349** | 2.46 | |
| Adult education | 5.50 (0.71) | ||
| School size | |||
| Small | 4.53 (1.04) | ||
| Medium | 5.22 (1.05) | 3.537* | 2.46 |
| Large | 5.33 (0.56) |