Archives: Glossary Terms

The middle number in a set of numbers when listed in order from lowest to highest.

The average.

The most or largest amount.

A way to take pictures of the inside of a person’s body with a machine that uses strong magnets and radio waves.

Research that collects data from the same participants over a long time.

A person who leads a research study.

A drug, device, vaccine, or other treatment being tested in a study.

A treatment or drug that is not yet approved for the condition being studied.

Not regular or predictable.

A team of people who review studies to protect the rights and welfare of study participants.