In exercises 11 and 12, determine whether the given description corresponds to a
ID: 2972760 • Letter: I
Question
In exercises 11 and 12, determine whether the given description corresponds to an observational study or an experiment.
11. Treating Syphilis:Much controversy arose over a study of patients with syphilis who were not given a treatment that could have cured them. Their health was followed for years after they were found to have syphilis.
12. Magnetic Bracelets:Cruise ship passengers are given magnetic bracelets, which they agree to wear in an attempt to eliminate or diminish the effects of motion sickness.
Explanation / Answer
http://www.asph.org/UserFiles/Module2.pdf