Voting behaviour in recent local, regional and national elections / motivation / political preference / interest in campaign / political knowledge / voting behaviour / motives for choice and possible modification / sense of political efficacy / political knowledge / Amsterdam biographical questionnaire. Background variables: basic characteristics/ place of birth/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ politics/ religion/ consumption of durables/ readership, mass media, and 'cultural' exposure/ organizational membership