Attitudes Social aspects History 60 Social conditions 48 Race relations 43 Psychological aspects 25 Public opinion 23 more ... College students 21 African Americans 18 Education 15 Television viewers 15 Race identity 14 Education, Higher 13 Political aspects 13 Consumers 12 Emigration and immigration 12 Soldiers 12 Youth 12 Popular culture 11 Colonies 10 Psychology 10 Race 9 Religious aspects 9 Social life and customs 9 Ethnicity 8 History and criticism 8 Imperialism 8 Men 8 Nursing 8 Racism 8 less ...