Table 2 Convergent and discriminant validity analysis.

From: The mediating role of cognitive arousal in the relationship between impulsivity and sleep quality among college students: a random intercept cross-lagged panel analysis

 

Cronbach’s α

Composite reliability

Average variance extracted

Impulsivity (P1)

0.89

0.87

0.71

Impulsivity (P2)

0.88

0.89

0.68

Impulsivity (P3)

0.91

0.90

0.75

Cognitive arousal (P1)

0.90

0.89

0.72

Cognitive arousal (P2)

0.90

0.88

0.69

Cognitive arousal (P3)

0.89

0.87

0.65

Sleep quality (P1)

0.87

0.88

0.58

Sleep quality (P2)

0.88

0.89

0.59

Sleep quality (P3)

0.90

0.89

0.71

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