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Theory, Research and Practice

Table 2 Test scores and internal reliabilities of measures of psychological well-being and distress and their inter-correlations

From: Psychological well-being and psychological distress: is it necessary to measure both?

Scale

Mean (SD) & range

Alpha coeff of internal reliability

Pearson correlations EM

PR

Overall well-being

K-10

Diener SWLS n = 1908

26.3 (5.7) 5-35

0.80

0.62

0.47

0.90

−0.47

Ryff EM n = 1915

19.5 (2.8) 7-25

0.73

-

0.52

0.81

−0.55

Ryff PR n = 1882

24.0 (3.4) 10-30

0.74

 

-

0.75

−0.43

Overall wellbeing n = 1849

69.9 (9.9) 28-90

0.86

  

-

−0.56

K10 (PD) n = 1932

15.4 (5.6) 10-50

0.85

   

-