5points
9. (5.1) filibusters were used by united states senators from the south in
the 1950s and 1960s to
block passage of civil rights bills
o
protest united states involvement in vietnam
o
gain approval of presidential appointments to the supreme court
override presidential vetoes of environmental bills

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: