Can someone help me on AB and C please

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.

Population parameters are difficult to calculate due to

While acknowledging that there are greater employment opportunities for latin american women in cities than in the countryside, social science theorists have continued to argue that urban migration has unequivocally hurt women's status. however, the effects of migration are more complex than these theorists presume. for example, effects can vary depending on women's fin?