Concentration

of attention

Verbal/physical

aggressiveness

control

Friendship

skills

Empathy

Participation

/cooperation

in class

Emotions’

identification/

management

Victimization

control

Problem

solving

Verbal/physical

Aggressiveness control

0.46

Friendship skills

0.49

0.39

Empathy

0.69

0.56

0.47

Participation/cooperation

in class

0.81

0.68

0.33

0.77

Emotions’ identification

and management

0.62

0.77

0.23

0.65

0.77

Victimization control

0.38

0.52

0.31

0.29

0.42

0.43

Problem solving

0.78

0.20

0.60

0.60

0.57

0.42

0.30

Self-esteem

0.82

0.31

0.67

0.70

0.68

0.52

0.41

0.86