Table 4 Results of System Usability Scale (SUS)

Q1 I think that I would like to use this website frequently

3.83/1.47

4.5/0.67

4.28/1.02

Q2 I found this website unnecessarily complex

2/1.55

2.17/1.11

2.11/1.23

Q3 I thought this website was easy to use

4/1.26

3.83/0.83

3.89/0.96

Q4 I think that I would need assistance to be able to use this website

2.5/1.76

2.17/1.4

2.28/1.49

Q5 I found the various functions in this website were well integrated

4.5/0.55

3.58/1.08

3.89/1.02

Q6 I thought there was too much inconsistency in this website

2/1.67

1.67/0.65

1.78/1.06

Q7 I would imagine that most people would learn to use this website very quickly

4.67/0.52

4.33/1.15

4.44/0.98

Q8 I found this website very cumbersome/awkward to use

1.5/0.84

1.83/0.83

1.72/0.83

Q9 I felt very confident using this website

4.33/0.82

3.92/0.9

4.06/0.87

Q10 I needed to learn a lot of things before I could get going with this website

1.67/1.21

1.83/0.94

1.78/1

Total SUS Score

79.17/25.13

76.25/9.2

77.22/15.57

 t-score

0.89

2.35

1.97

 p-value

0.21

0.02*

0.03*