Table 3 System Usability Scale responses for each item, per tool^a

I think that I would like to use the tool frequently

3.5 (1)

4 (0.5)

1 (1)

I found the tool to be unnecessarily complex

2 (1)

3.5 (1.25)

3 (0.5)

I thought the tool was easy to use

4 (1.25)

2.5 (2)

2 (1.5)

I think that I would need the support of a technical person to be able to use the tool

1 (1)

2.5 (1.25)

4 (1.25)

I found the various function in the tool were well integrated

4 (1.25)

3.5 (2.25)

3 (1.25)

I thought there was too much inconsistency in the tool

2 (0.25)

1 (1.25)

4 (1.25)

I would imagine that most people would learn to use the tool very quickly

4.5 (1)

3 (1.25)

3 (0.25)

I found the tool very cumbersome to use

2 (0.5)

3 (1.25)

5 (0)

I felt very confident using the tool

4 (1)

3.5 (1.25)

2 (2.25)

I needed to learn a lot of things before I could get going with the tool

2 (0.25)

3 (0.5)

2.5 (1)

Overall score (/100)

79 (23)

64 (31)

31 (8)