Table 1 The system usability scale

1

I think that I would like to use this web-based tool frequently.

2

I found the tool unnecessarily complex.

3

I thought the tool was easy to use.

4

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

5

I found the various functions in this tool were well integrated.

6

I thought there was too much inconsistency in this tool.

7

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

8

I found the tool very cumbersome to use.

9

I felt very confident using the tool.

10

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