Student Means and Standard Deviations for Subscales (N = 234)
Subscale
# Items
Mean
Standard Deviation
1. User satisfaction
5
3.84
.65
2. Corrective feedback
3
3.32
.93
3. Personalized environment
3
2.58
.94
4. Response time
2
3.67
.84
5. Ease
2
3.59
.73
Subscale
# Items
Mean
Standard Deviation
1. User satisfaction
5
3.84
.65
2. Corrective feedback
3
3.32
.93
3. Personalized environment
3
2.58
.94
4. Response time
2
3.67
.84
5. Ease
2
3.59
.73
Note: For subscales 1, 4,and 5, the response scale ranged from 1 (strongly disagree) to 5 (strongly agree). For subscales 2 and 3 the response scale ranged from 1 (not at all useful) to 5 (extremely useful).