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31 March, 01:21

Which observational study design allows scientists to hypothesize a potential causal association?

Select one:

a. Case study

b. Cohort study

c. Cross-sectional study

d. Case-control study

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Answers (1)
  1. 31 March, 03:32
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    Case-control study is the observational study design which allows scientists to hypothesize a potential causal association.

    Option C

    Explanation:

    Epidemiology deals with the agents related to public health in a specified population on the basis of the distribution and the determinants. Observational studies in epidemiology is used to draw inferences from a group of randomly selected people known as sample of the population. Case-control study comes under the "observational study" in which two groups which differ in their outcomes are being compared based on some casual attribute to draw inferences.
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