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Social & Preventive Medicine Epidemiology 47330186

Double blind study means(1994)

A

Observer is blind about the study

B

Person or group being observed is blind about the study

C

Both observer and observed group is blind

D

Interpreters and analysers are blind about the study

High-Yield Explanation

Ans: cRef: Park, 17th ed, p. 73 & 18th ed, p. 77

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