What is the difference between cohort and case-control studies?
An example of an AI chatbot conversation about the differences in study designs.
What is the difference between cohort and case-control studies?
Cohort studies follow a group over time to see how exposure affects outcomes, while case-control studies compare those with a condition to those without.
Can you give me an example of each type of study?
Sure! A cohort study might track smokers over years to see lung cancer rates, while a case-control study could compare lung cancer patients to non-patients regarding their smoking history.
Which study design is better for establishing causation?
Cohort studies are generally better for establishing causation because they follow subjects over time, allowing for observation of outcomes after exposure.
Are there any limitations to these studies?
Yes, cohort studies can be time-consuming and expensive, while case-control studies may be prone to recall bias since they rely on participants' memory.
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