An experimental study in which neither the doctor nor the patient knows who is getting the actual treatment is called a ________ study.
A) single-sided
B) double-sided
C) double-blind
D) double-barrier
E) test-sided

Question

Quizplus · Accepted Answer

A double-blind study is designed to eliminate bias by keeping both the doctor and patient unaware of who is receiving the actual treatment and who is receiving a placebo or alternative treatment. This helps to ensure that any observed effects of the treatment are due to its true effectiveness rather than the patient or doctor's expectations or biases. Options A, B, D, and E are not commonly used terms in medical research.

An Experimental Study in Which Neither the Doctor nor the Patient