Table 2 Results of usability evaluation using SUS
Strongly | Strongly | |||||
|---|---|---|---|---|---|---|
disagree | agree | |||||
1 | 2 | 3 | 4 | 5 | ||
(1) | I often want to use this system. | 0(0%) | 0(0%) | 5(55.6%) | 4(44.4%) | 0(0%) |
(2) | I found this system unnecessarily complex. | 1(11.1%) | 5(55.6%) | 3(33.3%) | 0(0%) | 0(0%) |
(3) | I thought this system was easy to use. | 0(0%) | 0(0%) | 6(66.7%) | 2(22.2%) | 1(11.1%) |
(4) | You may need technical support to use this system. | 0(0%) | 3(33.3%) | 1(11.1%) | 5(55.5%) | 0(0%) |
(5) | felt that this system was simple and easy to operate. | 0(0%) | 2(22.2%) | 0(0%) | 5(55.6%) | 2(22.2%) |
(6) | This system was often inconsistent. | 3(33.3%) | 6(66.7%) | 0(0%) | 0(0%) | 0(0%) |
(7) | I think most people can learn how to use this system very quickly. | 0(0%) | 0(0%) | 2(22.2%) | 5(55.6%) | 2(22.2%) |
(8) | I found this system very awkward. | 5(55.5%) | 2(22.2%) | 2(22.2%) | 0(0%) | 0(0%) |
(9) | I am confident in using this system. | 0(0%) | 0(0%) | 0(0%) | 8(88.9%) | 1(11.1%) |
(10) | I thought I needed to learn a lot before I started using this system. | 1(11.1%) | 4(44.4%) | 2(22.2%) | 2(22.2%) | 0(0%) |