Social & Preventive Medicine Epidemiology 838948bc

The purpose of double blinding in clinical trails is to-

Achieve comparability between study and control groups

Avoid observer bias

Avoid subject bias

Avoid observer and subject bias

High-Yield Explanation

There may be bias in randomized control trials. Randomization cannot guard against these so of bias, nor the size of the sample. In order to reduce these problems, a technique known as blinding is adopted. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 91

← Previous Question Next Question →