Unknown General 7aead32b

True regarding double blinding placebo controlled clinical trial:

Some patients are not treated

The clinician does not know which treatment is given to the patient

50% of the patients do not know what drug they receive

Everybody receives both the drugs

High-Yield Explanation

(Refer: K. Park’s Textbook of Preventive and Social medicine, 24th edition, pg no: 78) Bias Any systematic error in an epidemiological study occurring during data collection, compilation, analysis and interpretation Types of bias

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True regarding double blinding placebo controlled clinical trial:

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