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A researcher wanted to prove the relation between COPD and smoking. He collected patients records from government hospitals and records of cigarette sales from the finance and taxation department. This is an example of which study design:
A researcher wanted to prove the relation between COPD and smoking. He collected patients records from government hospitals and records of cigarette sales from the finance and taxation department. This is an example of which study design:
Updated On: Aug 20, 2024
- Cross-sectional
- Posological study
- Ecological study
- Operations research
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The Correct Option is C
Solution and Explanation
The correct option is (C): Ecological study.
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