Mass media Public opinion Political aspects 13 Politics and government 6 Mass media and public opinion 5 Social aspects 5 History 4 In mass media 3 Influence 3 Journalism 3 Moral and ethical aspects 3 Objectivity 3 Attitudes 2 Consumer behavior 2 Foreign public opinion, American 2 International relations 2 Marketing research 2 Mass society 2 Political culture 2 Press and politics 2 Social conditions 2 Social history 2 Social life and customs 2 Social problems 2 Social surveys 2 Working class 2 World War, 1939-1945 2 World politics 2 Addresses, essays, lectures 1 Attitude change 1