What is the purpose of a placebo in a clinical trial?
1 )
To calculate the lowest effective dose of the medicine.
2 )
To make sure the results of the trial are reproducible.
To see if the effects of the medicine are due to the expectations of the patient.
4 )
To see if the effects of the medicine last for a long period of time.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!