Holly would like to run an annual major disaster recovery test that is as thorough and realistic as possible. She also wants to ensure that there is no disruption of activity at the primary site. What option is best in this scenario?
Parallel test T/F

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: