System Usability Scale
1.
Name
2.
I think that I would like to use this app frequently.
Strongly Disagree
Disagree
Neither agree nor disagree
Agree
Strongly Agree
3.
I thought there was too much inconsistency in this app.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
4.
I thought the app was easy to use.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
5.
I found the various functions in this app were well integrated.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
6.
I would imagine that most people would learn to use this app very quickly.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
7.
I felt very confident using the app.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
8.
The main user flow to order a sandwich is clear.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
9.
I found the onboarding process frustrating.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree
10.
I found the checkout process very cumbersome.
Strongly disagree
Disagree
Neither agree nor disagree
Agree
Strongly agree