Imagine you work for a drug company that just created a medication to decrease a

A double-blind study is one in which neither the participants or the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect. For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.

In your experiment, make sure you have a control group. The control group will be told that they are receiving the drug, but they are actually receiving a placebo.