Voters have recently decided to have fluoride added to the city water system. Epidemiologists now want to study the effect of fluoride on dental caries in this population. Which of the following would be conducted by the epidemiologists?
A) Ecological study
B) Double-blind study
C) Community trial
D) Screening

Question

Quizplus · Accepted Answer

A community trial would be conducted to study the effect of fluoride on dental caries, as it involves implementing an intervention at the community level and observing the outcomes.

Voters Have Recently Decided to Have Fluoride Added to the City