The confirmation bias refers to the tendency to:

(A) search for information that supports our preconceptions
(B) overestimate the accuracy of our beliefs and judgments
(C) make judgments in a very inefficient, time-consuming fashion
(D) judge the likelihood of events on the basis of how easily we can remember examples of them

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: