Table 3.

System usability scale (SUS) results.

1. I think I would use this system frequently.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
0 (0%)	2 (6%)	3 (9%)	22 (65%)	7 (21%)
2. I found the system unnecessarily complex.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
5 (15%)	21 (62%)	2 (6%)	6 (18%)	0 (0%)
3. I thought the system was easy to use.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
0 (0%)	2 (6%)	3 (9%)	24 (71%)	5 (15%)
4. I think that I would need the support of a technical person to be able to use this system.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
4 (12%)	12 (35%)	0 (0%)	13 (38%)	5 (15%)
5. I found the various functions in this system well integrated.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
0 (0%)	2 (6%)	9 (27%)	19 (56%)	4 (12%)
6. I thought there was too much inconsistency with this system.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
6 (18%)	21 (62%)	4 (12%)	2 (6%)	1 (3%)
7. I would imagine that most people would learn to use this system very quickly.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
1 (3%)	2 (6%)	8 (24%)	21 (62%)	2 (6%)
8. I found the system very cumbersome to use.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
3 (9%)	23 (68%)	0 (0%)	4 (12%)	4 (12%)
9. I felt very confident to use this system.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
1 (3%)	2 (6%)	2 (6%)	23 (68%)	6 (18%)
10. I need to learn a lot of thinqs before I could qet qoinq with this system.
Strongly disagree	Disagree	Neutral	Agree	Strongly agree
4 (12%)	12 (35%)	2 (6%)	12 (35%)	4 (12%)