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Social & Preventive Medicine Epidemiology 99149dfd

Which of the following is not a feature of a cross sectional study -

A
Not expensive
B
Observational study
C
Used for chronic diseases
D
Well suited for establishing interrelationships of diseases
High-Yield Explanation
The time sequence which is essential to the concept of causativity can't be deduced from cross-sectional data. (refer pg no:69 park 23rd edition)

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