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Table 6 Reliability and validity

From: A Socio-technical assessment of the success of picture archiving and communication systems: the radiology technologist’s perspective

Variable

Item

Mean

Standard deviation

Cross loading

CR

Cronbach’s α

AVE

System quality

B1

3.95

0.63

0.86***

0.92

0.88

0.74

B2

3.90

0.69

0.88***

B3

3.85

0.64

0.86***

B4

3.84

0.68

0.83***

Information quality

C1

3.89

0.70

0.88***

0.94

0.91

0.79

C2

3.88

0.68

0.91***

C3

3.91

0.67

0.89***

C4

3.92

0.67

0.88***

Service quality

D1

3.83

0.71

0.86***

0.89

0.84

0.67

D2

3.75

0.72

0.86***

D3

3.80

0.80

0.73***

D4

3.67

0.73

0.82***

Perceived usefulness

E1

4.00

0.64

0.88***

0.91

0.87

0.71

E2

3.83

0.66

0.78***

E3

3.91

0.70

0.88***

E4

4.04

0.65

0.84***

User satisfaction

F1

3.83

0.62

0.86***

0.94

0.91

0.79

F2

3.96

0.61

0.90***

F3

4.02

0.64

0.90***

F4

3.98

0.69

0.90***

PACS dependence

G1

3.88

0.97

0.83***

0.92

0.88

0.74

G2

4.00

0.67

0.86***

G3

4.23

0.70

0.86***

 

G4

4.17

0.69

0.89***

   
  1. Note: CR Composite reliability, AVE Average variance extracted.
  2. *p < 0.05, **p < 0.01, ***p < 0.001.