The fact that there does seem to be a "boy-next-door" or "girl-next-door" effect in romantic attraction illustrates which factor of interpersonal attraction?

Which statement reflects a citizens need to increase his civic particpation

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.

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?