Glossary

A group in a study that does not receive the experimental treatment and is used for comparison.

A detailed plan that outlines a clinical trial�s objectives, design, and methods.

The process of assigning participants to different treatment groups by chance to reduce bias.

The process by which participants are educated about the risks, benefits, and procedures of a study before agreeing to participate.

A research study involving human participants to evaluate medical, surgical, or behavioral interventions.

A substance with no active ingredient, used as a control in testing new treatments.