Importance of science, and importance of results of scientific research in society/ survey held on the occasion of the fiftieth anniversary of NWO, the Dutch Organisation for Scientific Research. Frequency of following radio- and tv programs about science / frequency of reading about science in journals and magazines / using internet to collect information about science / need for more information about science / reasons for being interested in science, and most important reason for respondent / reliability of scientific information / perception of science in general / respondent's opinion about the implementation of technological innovations / importance of scientific knowledge in daily life / importance of scientific research for governmental policy / respondents opinion about the three most important fields of scientific research to be subsudized by the government Background variables: basic characteristics/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ social class/ religion/ readership, mass media, and 'cultural' exposure