Table 6 Flow state scale (proposed by Jackson and Eklund (2002) and validated for the gamification domain by Hamari and Koivisto (2014))

I felt I was competent enough to meet the demands of the situation

I did things spontaneously and automatically without having to think

I had a strong sense of what I wanted to do

I had a good idea about how well I was doing while I was involved in the task/activity

I was completely focused on the task at hand

I had a feeling of total control over what I was doing

I was not worried about what others may have been thinking of me

The way time passed seemed to be different from normal

I found the experience extremely rewarding

If you are filling out the form carefully, answer 4*