Skip to main content
. 2017 Aug 24;12(8):e0180102. doi: 10.1371/journal.pone.0180102

Table 3. Reliability and validity of the measurement model.

Variable Item Cronbach’s Alpha Factor Loading Composite Reliability Average Variance Extracted Item-Total Correlation
Behavioral Intention BI12 0.923 0.89 0.9241 0.7534 0.916
BI13 0.88 0.912
BI14 0.85 0.896
BI15 0.85 0.886
Perceived Usefulness PU1 0.912 0.87 0.9124 0.6759 0.876
PU2 0.86 0.870
PU3 0.80 0.860
PU4 0.77 0.838
PU5 0.84 0.874
Perceived
Ease of use
PEOU1 0.905 0.85 0.9065 0.6201 0.860
PEOU2 0.78 0.842
PEOU3 0.76 0.825
PEOU4 0.74 0.780
PEOU5 0.70 0.756
PEOU6 0.86 0.873
System Support H7 0.855 0.61 0.8611 0.5536 0.749
H8 0.84 0.863
H9 0.72 0.768
H11 0.84 0.856
H12 0.79 0.806
User-Interface Design H1 0.892 0.67 0.8988 0.6426 0.763
H2 0.82 0.862
H6 0.92 0.913
H10 0.90 0.903
H13 0.70 0.755
Navigation H3 0.865 0.82 0.8578 0.6016 0.915
H4 0.71 0.860
H5 0.93 0.870
H14 0.69 0.768