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