Table 3 Means, standard deviations, and correlations of psychological capital, organizational commitment and organizational citizenship behavior (N = 746)

Mean

103.12

46.53

101.47

21.14

25.62

20.77

17.26

16.67

SD

15.57

7.14

12.14

2.66

3.22

2.83

2.16

2.28

1. Psychological capital

-

2. Organizational commitment

0.636^**

-

3. Organizational citizenship behavior

0.503^**

0.498^**

4. Self-development

0.455^**

0.430^**

0.917^**

5. Responsibility consciousness

0.461^**

0.443^**

0.952^**

0.883^**

6. Actively serving

0.490^**

0.527^**

0.931^**

0.786^**

0.847^**

7. Helping colleagues

0.411^**

0.431^**

0.921^**

0.797^**

0.867^**

0.822^**

8. Organizational identity

0.499^**

0.464^**

0.884^**

0.740^**

0.759^**

0.828^**

0.786^**