1996 Volume 23 Issue 1 Pages 28-34
Today many social researches are made by broadcasting companies in Japan. In this paper, first the purposes of these researches are shown. Second this paper focuses on JNN Data Bank Research which is conducted every year by using random samples and self administration method in Kanto area, and discusses the reliability of it. Finally the problems which confront us now are shown and the measures to conquer them are discussed.