iBoske | Choose your epidemiological study design

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Abhijit Pakhare Public Health Expert

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Do you want to compare exposures or interventions? Yes. No.
Case series or Descriptive findings.
Are you assigning the interventions/exposures? Yes. No.
Are you going to randomise? Yes. No.
Quasi-experimental Study.
What is the unit of randomisation? Individual. Communities or Group.
Randomized Controlled Trial.
Cluster Randomized Trial.
Are you comparing more than one group? Two or More Groups. No.
Before-After or Time Interrupted Study.
Whether exposure and outcome is measured at the same time? No. Yes.
Cross-sectional study.
Whether groups were assiged based on outcome? Yes. No.
Case-control study.
Cohort Study.