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Author Question: A prospective cohort study is also called 1. Longitudinal 2. Historical 3. Case-control 4. ... (Read 55 times)

DyllonKazuo

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  • Posts: 565
on: Jul 8, 2018
A prospective cohort study is also called
 
  1. Longitudinal
  2. Historical
  3. Case-control
  4. Cross-sectional

Question 2

Voters have recently decided to have fluoride added to the city water system. Epidemiologists wanting to study the effect of fluoride on dental caries would be conducting a
 
  1. Ecologic study
  2. Double-blind study
  3. Community trial
  4. Screening


miss.ashley

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: 1

Answer to Question 2

ANS: 3


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