Table 1 Descriptive statistics for the 31 items rated on a 5-point Likert scale (n = 156)

3.37

1.52

− 0.52

1.79

4.35

0.91

− 1.62

5.53

3.74

1.19

− 0.57

2.26

4.21

0.99

− 1.35

4.63

3.87

1.14

− 0.58

2.20

3.70

1.31

− 0.76

2.41

3.53

1.41

− 0.53

1.92

4.15

1.04

− 1.18

3.76

4.15

1.02

− 1.14

3.60

3.08

1.48

− 0.08

1.59

3.99

1.24

− 1.22

3.50

3.92

1.11

− 0.91

3.05

3.53

1.12

− 0.60

2.73

3.67

1.13

− 0.81

3.07

3.58

1.05

− 0.68

3.12

3.74

1.05

− 0.61

2.93

3.16

1.40

− 0.19

1.79

4.18

0.82

− 0.84

3.63

3.72

1.11

− 0.59

2.58

3.85

1.07

− 0.98

3.56

3.19

1.24

− 0.17

2.06

2.89

1.16

0.04

2.25

3.49

1.09

− 0.52

2.67

3.83

1.07

− 0.93

3.49

2.04

1.32

1.04

2.85

3.54

1.35

− 0.62

2.18

3.44

1.18

− 0.67

2.65

3.31

1.17

− 0.31

2.23

3.74

1.16

− 0.62

2.50

2.93

1.44

− 0.01

1.70

3.32

1.34

− 0.32

1.94