| Number of participants | Scores average | Standard deviation | F | p | |
Primary level | Experimental sample | 19 | 58.26 | 9.21 | 0.001 | 0.002 |
Control sample | 13 | 43.63 | 10.34 | |||
Secondary level | Experimental sample | 19 | 49.94 | 11.92 | 0.01 | 0.008 |
Control sample | 18 | 38.38 | 10.91 | |||
University level | Experimental sample | 12 | 61.62 | 11.5 | 0.52 | 0.49 |
Control sample | 19 | 59.21 | 10.22 |