Participation in work situation / opinions on importance of political institutions / persons for solving social problems / attitude towards and participation in political social organizations / voting motivation political knowledge i.e. of party programs / discussions about activities regarding local problems / opinions on various political popular issues / local and national sense of political efficacy / perception of political power structure / opinions on norms regarding riots / knowledge of members of city council, parliament / norms regarding task of city-council / contact with city-council members. Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ politics/ religion/ readership, mass media, and 'cultural' exposure/ organizational membership