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. 2017 Dec 22;12(12):e0190123. doi: 10.1371/journal.pone.0190123

Table 2. Analysis of the reliability of the service quality questionnaire.

Dimensions Cronbach’s Alpha
Expectations Perceptions
Tangibles 0.882 0.816
Reliability 0.891 0.829
Responsiveness 0.905 0.848
Assurance 0.927 0.871
Empathy 0.895 0.796
Economic 0.898 0.879
Total 0.967 0.933