Table 10: The available values for activity and emotion.

No.Questionnaire

I think I would like to use this system frequently
I found the application unnecessarily complex
I thought the system was easy to use
I think that I would need the support of a technical person to be able to use this application
I found the various functions in this application well integrated
I thought there was too much inconsistency in this system
I would imagine that most people would learn to use this system very quickly
I found the system very cumbersome to use
I felt very confident using the system
I needed to learn a lot of things before I could get going with this system