What was the common school movement?

a) a system where students lived at the school during the week and went home on the weekends
b) public, tax-supported elementary schools that provided a free education for all
c) private schools where teachers and parents worked together to create a curriculum
d) students who worked at the school in order to receive a free education

Why do boys think i'm so pretty when i'm the ugliest thing that's walked this planet

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.

Which scholars explained the roles of the public and private sectors by comparing it to maneuvering a boat?