Table 1 Descriptive statistics of the RTT items

2

1.96

0.89

0.62

− 0.42

3

3.28

0.82

− 0.86

− 0.14

2

2.39

0.98

0.26

− 0.94

3

3.25

0.82

− 0.77

− 0.39

2

2.08

0.96

0.54

− 0.67

3

2.99

0.93

− 0.48

− 0.80

1

1.56

0.86

1.48

1.28

1

1.75

0.93

1.04

0.070

3

2.68

0.95

− 0.09

− 0.98

2

2.21

0.90

0.39

− 0.59

2

1.94

0.93

0.66

− 0.52

1

1.37

0.73

2.10

3.78

2

2.23

1.06

0.34

− 1.13

2

1.88

0.97

0.81

− 0.44

3

2.91

1.00

− 0.40

− 1.04

2

1.93

1.07

0.74

− 0.83

3

2.75

0.98

− 0.20

− 1.03

2

2.41

1.06

0.14

− 1.02

1

1.71

0.85

0.98

0.10

3

2.88

0.93

− 0.31

− 0.88