All of these statements about primary sources are true except: a.
Some examples are letters, diaries, and photos.
b.
They are interpretations of past events, based on evidence and artifacts.
c.
They are created at the time of an event, or very soon after.
d.
They are first hand, or eyewitness accounts of an event.

Please select the best answer from the choices provided

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: