Continuous items for most waves watching tv / reading papers / taking part in discussions on political issues / political knowledge / political participation / party preference / questions concerning importance of different political issues / left and right in politics. Wave 17: Motivation to watch tv / most important problem / attitude to the army and armament, atomic weapons, the neutron bomb / definition and self-description in terms of left-right / agreement with politicians / attitude to use of car and policies regarding car. Background variables: basic characteristics/ place of birth/ residence/ household characteristics/ occupation/employment/ income/capital assets/ education/ politics/ readership, mass media, and 'cultural' exposure/ organizational membership