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Table 6 System usability scores

From: Development of the intelligent knee osteoarthritis lifestyle app: a person-based approach

Question

Modal value

Mean (SD)

I think that I would like to use this app frequently

4

3 (1)

I found this app unnecessarily complex

4

3 (1)

I thought this app was easy to use

3

3 (0)

I think that I would need assistance to be able to use this app

4

4 (1)

I found the various functions in this app were well integrated

3

3 (1)

I thought there was too much inconsistency in this app

4

4 (0)

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

3

3 (1)

I found this app very cumbersome/awkward to use

4

3 (0)

I felt very confident using this app

3

3 (0)

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

3

3 (1)

  1. 1 = strongly disagree, 2 = disagree, 3 = neither agree nor disagree, 4 = agree, 5 = strongly agree