Table 1 Descriptive Statistics and Cronbach’s alpha coefficients

n

687

690

690

685

696

Global scores

Possible Range

20-140

15-60

14-56

15-105

5-25

Actual Range

38-138

15-60

15-56

15-96

5-25

Mean (M)

102.02

49.98

43.93

47.18

18.05

Median (Mdn)

104

52

45

47

19

Interquartile range (IQR)

25

9

8

22

7

Standard Deviation (SD)

17.85

8.90

7.64

15.24

5.80

Cronbach’s alpha

0.84

0.91

0.88

0.77

0.82