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 23: ( If elections ) vote for particular broadcasting company / minister of what parties in cabinet / what country threat to the Netherlands, threat to world peace / judgement different aspects of Soviet policy / possible action when disagreeing with law proposals / party-alignment / ( income ) tax form ( filling in, help needed, tried to change ) / judging several political personalities. 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