9. which statement best explains the oversight function of congressional committees? a. it protects the president from overreach by the senate and the house. b. it is one of the checks the legislative branch holds over the executive branch. c. it prevents members of the majority party from steamrolling members of the minority party. d. it ensures that the judicial branch interprets laws as the members of congress intended.

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: