| Total score | Control group | Experimental group | ||||||
| Ν | f | Mean | N | f | Mean | |||
| Min | Max | Min | Max | |||||
| Bellow 108 | 9 | 45.0% | 2.31 | 2.94 | 2 | 9.09% | 2.19 | 2.78 |
| 108 (neutral) | 0 | 0.0% | - | - | 0 | 0.0% | - | - |
| Over 108 | 11 | 55.0% | 3.08 | 3.89 | 20 | 90.91% | 3.06 | 4.06 |