Multiculturalism is defined as: A. efforts to establish English as the official language of the United States
B. the idea that the United States should have only one dominant culture
C. efforts to encourage immigration to the United States
D. an educational program recognizing the cultural diversity of the United States and promoting equality of all cultural traditions

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: