Dr. cali is conducting a study in which freshmen college students provide brain scans when they first arrive at college. then, the group is followed until graduation, meaning that the students are asked to complete a questionnaire once per semester until graduation. dr. cali plans to correlate brain function during the freshman year with various behaviors that occur later on, during years 2, 3, and 4. which type of study is described here?

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group. no, this does not need to be reported since it is unrelated to participation in the study. no, this does not need to be reported because two weeks have passed. no, this does not need to be reported since the subject recovered.

Skeleton and keyword outlines are most appropriate for what speech style? extemporaneous impromptu manuscript memorized