What Is True of Using the Double Blind Process in a Clinical

What is true of using the double blind process in a clinical trial? Select all that apply.

A) Both the participants receiving the treatment and the researchers do not know whether the participants are in the control group or treatment group.
B) Double-blind studies attempt to eliminate observer and subject bias.
C) With double-blind process, every participant is theoretically treated the same way.
D) Because the double-blind method is the gold standard, most published exercise science studies use this process.