Table 3 Questions included in SUS questionnaire
From: Learning in smart environments: user-centered design and analytics of an adaptive learning system
| Â | Questions | Focus group | Students | ||
|---|---|---|---|---|---|
| Â | Â | M | SD | M | SD |
1 | I think that I would like to use this system frequently. | 3 | 0.8 | 2.8 | 1.1 |
2 | I found the system unnecessarily complex. | 3.6 | 1.3 | 2.7 | 1.1 |
3 | I thought the system was easy to use. | 2.5 | 1.1 | 3.1 | 1.0 |
4 | I think that I would need the support of a technical person to be able to use this system. | 2.4 | 1.3 | 1.5 | 1.0 |
5 | I found the various functions in this system were well integrated. | 3 | 0.8 | 3.1 | 0.9 |
6 | I thought there was too much inconsistency in this system. | 3.4 | 1.1 | 2.3 | 0.8 |
7 | I would imagine that most people would learn to use this system very quickly. | 2.8 | 1.2 | 3.4 | 1.1 |
8 | I found the system very cumbersome to use. | 3.4 | 1.1 | 2.3 | 0.9 |
9 | I felt very confident using the system. | 2.9 | 0.8 | 3.3 | 0.9 |
10 | I needed to learn a lot of things before I could get going with this system. | 2.4 | 0.7 | 4.3 | 1.0 |