Question

Which of the following is a description of "Blinding" in an experiment?

Using randomization to decide which participants receive each treatment
Including a large number of participants, or repeating the experiment with a new group of participants
When the participants do not know who is receiving the treatment and who is receiving a placebo
The group of participants receiving the placebo or no treatment
The group of participants receiving the treatment
When the participants are grouped by similar characteristics that are not directly being studied but may influence the response factor

Answer 1

"Blinding" in an experiment refers to:

When the participants do not know who is receiving the treatment and who is receiving a placebo.

Blinding is used to minimize bias and ensure that the participants' knowledge or expectations about the treatment they are receiving does not influence the experiment's results.

Explanation: