Public opinion Dissertations 7 Dissertations, Academic 6 Parks 2 Public use 2 Afro-Americans 1 Attitudes 1 Audiences 1 Data mining 1 Data processing 1 Democracy 1 Executive power 1 Executive-legislative relations 1 Information behavior 1 Legislative power 1 Manpower policy 1 Mass media 1 National parks and reserves 1 Ohio State University 1 Police 1 Research 1 Social conditions 1 Universities and colleges 1 Vietnamese conflict, 1961-1975 1 Water harvesting 1