Which of the following statements best represents an example of daoism's ideas? a. disputes should be settled by village leaders and a council of elders. b. social order should be based on duty, rank, and proper behavior. c. pottery has no value unless it is beautiful and delicate. d. painters should portray a harmonious relationship between heaven and earth.

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: