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Table 5 Cronbach α coefficients of the six sub-scales across studies

From: Using Ryff’s scales of psychological well-being in adolescents in mainland China

Sub-scale

AU

EM

PG

PL

PR

SA

Present study

.60

.70

.71

.78

.78

.75

Ryff and Keyes (1995)

.37

.49

.40

.33

.56

.52

Van Dierendonck (2004)

.47

.51

.50

.24

.40

.60

Cheng and Chan (2005)

.55

.63

52

.68

.65

.56

Li (2014)

.60

.75

.74

.73

.71

.75

Chan et al. (2017)

.77

.87

.82

.88

.77

.80

  1. AU Autonomy, EM Environment mastery, PG Personal growth, PL Purpose in life, PR Positive relations with others, SA Self-acceptance