1 = CIS
2 = PC

1 = Yes
2 = No

1 = not at all useful
2 = a little bit useful
3 = somewhat useful
4 = very useful
5 = extremely useful

1 = yes
2 = no

1 = not satisfied
2 = a litle bit satisfied
3 = somewhat satisfied
4 = very satisfied
5 = extremely satisfied

downloaded_app=1 (FILTER)
0 = Not Selected
1 = Selected