Dependent Variable

(I) avg

(J) avg

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

Perceived Usefulness

Fair

Good

−1.99458^*

0.92363

0.032

−3.8157

−0.1734

Very good

−3.29306^*

0.92571

0.000

−5.1183

−1.4678

Excellent

−4.88889^*

1.07977

0.000

−7.0179

−2.7599

Good

Fair

1.99458^*

0.92363

0.032

0.1734

3.8157

Very good

−1.29848^*

0.55763

0.021

−2.3980

−0.1990

Excellent

−2.89431^*

0.78735

0.000

−4.4467

−1.3419

Very good

Fair

3.29306^*

0.92571

0.000

1.4678

5.1183

Good

1.29848^*

0.55763

0.021

0.1990

2.3980

Excellent

−1.59583^*

0.78978

0.045

−3.1531

−0.0386

Excellent

Fair

4.88889^*

1.07977

0.000

2.7599

7.0179

Good

2.89431^*

0.78735

0.000

1.3419

4.4467

Very good

1.59583^*

0.78978

0.045

0.0386

3.1531