A study is created in which the participants of the study are unaware who received the treatment and who did not. Which element of the experiment design is known to be a part of this study?

Respuesta :

The sole fact that at least someone has gotten treatment, and at least someone hasn't.

Answer: Blinding

Step-by-step explanation:

In research , A study where participants are studied by preventing them from knowing particular information that may somehow influence them is known as blinding study.

The given statement : A study is created in which the participants of the study are unaware who received the treatment and who did not.

Then the experiment design is known to be a  part of Blinding study.