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Table 5 Correlation matrix and average variance extracted (AVE)

From: Assessing healthcare service quality: a comparative study of patient treatment types

Constructs Empathy Tangibles Safety Efficiency Improvement of care services
Empathy 1     
Tangible .612*** 1    
Safety .733*** .593** 1   
Efficiency .718*** .681*** .625*** 1  
Improvements of care services .754*** .701*** .699*** .758** 1
CR .943 .859 .899 .865 .912
AVE .738 .693 .704 .672 .647
Sqrt. (AVE) .859 .832 .840 .820 .804
  1. CR (construct reliability) = ∑ (factor loading2)/[∑ (factor loading2) + ∑ (error): more than .7
  2. AVE = ∑ (factor loading) 2/[∑ (factor loading) 2 + ∑ (error)] : more than .5
  3. **p <.01, ***p <.001