Before revision: Stronglydisagree Stronglyagree 1 2 3 4 51.I think that I would like to use this system frequently.◯◯◯◯◯2.I found the system unnecessarily complex.◯◯◯◯◯3.I thought the system was easy to use.◯◯◯◯◯4.I think that I would need the support of a technical person to be able to use this system.◯◯◯◯◯5.I found the various functions in this system were well integrated.◯◯◯◯◯6.I thought there was too much inconsistency in this system.◯◯◯◯◯7.I would imagine that most people would learn to use this system very quickly.◯◯◯◯◯8.I found the system very cumbersome to use.◯◯◯◯◯9.I felt very confident using the system.◯◯◯◯◯10.I needed to learn a lot of things before I could get going with this system.◯◯◯◯◯Standard version of the system usability scale In systems engineering, the system usability scale (SUS) is a simple, ten-item attitude Likert scale giving a global view of subjective assessments of usability.
After revision: Stronglydisagree Stronglyagree 1 2 3 4 51.I think that I would like to use this system frequently.◯◯◯◯◯2.I found the system unnecessarily complex.◯◯◯◯◯3.I thought the system was easy to use.◯◯◯◯◯4.I think that I would need the support of a technical person to be able to use this system.◯◯◯◯◯5.I found the various functions in this system were well integrated.◯◯◯◯◯6.I thought there was too much inconsistency in this system.◯◯◯◯◯7.I would imagine that most people would learn to use this system very quickly.◯◯◯◯◯8.I found the system very cumbersome to use.◯◯◯◯◯9.I felt very confident using the system.◯◯◯◯◯10.I needed to learn a lot of things before I could get going with this system.◯◯◯◯◯Standard version of the In systems engineering, the system usability scale (SUS) is a simple, ten-item attitude Likert scale giving a global view of subjective assessments of usability.