Gathering of factual information about the functioning of the Dutch parliament and members of parliament. Biographical information on the M.P.'s / parliamentary activities / working structures / rules of conduct / relationship between first and second chamber / relations with the government, public administration and political parties on policy making and formation of a government / attitude and perceptions concerning citizens / pressure groups / social inequality / nomination and representativeness of parliament / opinions on reforms in parliament. Background variables: basic characteristics/ residence/ education/ politics/ religion/ readership, mass media, and 'cultural' exposure/ organizational membership