To minimize the extent to which outcome differences between experimental and control conditions can be attributed to placebo effects, researchers make use of double-blind procedure.
Placebo effects also called as dummy treatment are tablets and injections that do not have any physiological significance but it gives a psychological effect to the patient that can have a positive impact on the recovery of the patient.
It is usually given during clinical trial to understand the practical application of drugs. The patient do know whether they have been given the placebo or the real medicine.
Double-blind procedure is a method of clinical trial in which both the doctors and participants are unaware which treatment is given to which candidate in order to minimize the bias from the trials.
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The correct answer is a degradation ceremony.
<span>A degradation ceremony refers to a process of stripping an individual of their identity and autonomy, and inflicting punishment and humiliation in order to make them feel more like a prisoner. Prisoners are made to dress the same way, their rights and privileges are taken away and they are forced to conform. Degradation ceremonies are also common in the military and mental institutions. </span>
The best and most commonly given answer here would be Nicolaus Copernicus. He is very often accredited as the person who has developed the heliocentric system/hypothesis. Copernicus lived from 1473 until 1543 and was a mathematician and astronomer profesionally. He devoted a lot of his time studying the motion of celestial bodies.
