Market researchers' work is most important not only to the economist, but also to men of science and government authorities. Market research has become an instrument management indispensable for marketing. Opinion and market research act as a means of communication between producer and consumer. The complications of life in present-day society often make it difficult, if not impossible, for a producer to contact his consumers directly. Your investigations have turned out to be a bridge-head. Thus it makes a contribution to an efficient "working" of our democratic society.