Dimension

AVE

MSV

ASV

Cronbach alpha

ρ

Composite Reliability

Reliability of tests’ results

0.897

0.195

0.805

0.983

0.95

0.973

Responsiveness of services

0.839

0.297

0.703

0.981

0.92

0.970

Personnel’s willingness to help

0.875

0.234

0.766

0.981

0.93

0.967