Dental General eb262a05

The purpose of double blinding in clinical trials is to:

Achieve comparability between study and control groups

Avoid observer bias

Avoid subject bias

Avoid observer and subject bias

High-Yield Explanation

Single blind: Only patients or only investigators are ignorant of assigned treatment. Double blind: Patients & investigators are ignorant of assigned treatment. Triple blind: Patients, investigators & data evaluators are ignorant of assigned treatment.

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