Practice problem need help with it please

Who was the macedonian conqueror of greece and builder of an empire?

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:

With regard to personality, it appears that: a) there is little consistency of behavior from one situation to the next and little consistency of traits over the life span.b) there is little consistency of behavior from one situation to the next but significant consistency of traits over the life span.c) there is significant consistency of behavior from one situation to the next but little consistency of traits over the life span.d) there is significant consistency of behavior from one situation to the next and significant consistency of traits over the life span.