sex
-9 = Not answered
1 = male
2 = female

education
-9 = Not answered
1 = I am a student
2 = No formal education
3 = Incomplete primary school
4 = Comlete primary school
5 = Incomplete secondary school: technical/vocational type
6 = Complete secondary school: technical/vocational type
7 = Incomplete secondary: university-preparatory type
8 = Complete secondary: university-preparatory type
9 = Some university-level education, without degree
10 = University-level education, with degree

employment
-9 = Not answered
1 = full-time employed
2 = part-time employed
3 = self-employed
4 = student
5 = retired
6 = unemployed
7 = other:

-1 = immoral
0 = control
1 = moral

0 = intention
1 = contact

manipulation check 1
1 = passed

filter_$ (FILTER)
0 = Not Selected
1 = Selected