Multiple Choice
In drug research,the term "double blind testing" is often used.What does this mean?
A) The patients don't know if they are in the experimental or control group.
B) The physicians don't know which patients are in the experimental group.
C) The patients and the physicians don't know who is in which group.
D) The patients and the physicians only know who is in the control group.
Correct Answer:

Verified
Correct Answer:
Verified
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