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NBME 24 Answers
A researcher hypothesizes that exposure to more ...
I agree. I was hesitating between the two choices. I still think cohort study is better regarding the "risk". I hope this kind of questions wont pop out on the real thing.
I think key here was they were measuring risk though
I also chose cohort, since it is comparing a given exposure.
If they were measuring risk shouldn't it be a cohort study though? By looking at first aid..
welcome, O great physician of the skull and oral cavity. we revere your intricate understandings of the face, jaw, maxilla and all their tiny and hidden foramina. teach us your ways.