Scale of variables

Numbers of items

KMO

Eigenvalue of the principal component

Percentage of variance

Cronbach alpha

Modification

Perceived usefulness

4

0.603

2.114

57.981

0.850975

No change

The perceived ease of use

4

0.745

2.331

69.282

0.660232

No change

The influence of trainers

2

0.53

1.732

81.603

0.77455

No change

Personal innovativeness

4

0.704

3.95

78.123

0.847908

No change

Intention

3

0.693

2.43

71.988

0.80461

No change