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Observational Studies Quiz

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1. Which of the following best describes an observational study?

2. What is a common limitation of observational studies that makes it difficult to infer causation?

3. Which type of observational study involves following a group of individuals over time to observe outcomes?

4. In the context of observational studies, what does 'bias' refer to?

5. Which of the following is NOT a purpose of conducting an observational study?

6. A research team is studying the relationship between physical activity and mental health by surveying participants about their exercise habits and mental health status. This is an example of which type of observational study?

7. What is the primary difference between a case-control study and a cohort study?

8. How can researchers reduce the impact of confounding variables in observational studies?

9. Which of the following best explains why observational studies cannot definitively establish causation?

10. Which observational study design is most appropriate for investigating the cause of a rare disease?