Archives: Glossary Terms

Hiding or covering what the study treatments look like so participants cannot tell the difference.

When researchers continue to collect data from study participants after initial research activities are completed.

An approval given by the United States Food and Drug Administration to use a medical tool, instrument, test, or method in a study that enrolls people.

A medical tool, instrument, or test that has not yet been approved for the reason being studied in the research.

A person who participates in a research study.

A way for a person to sign their name using a computer or device, instead of signing on paper.

A type of research study where some or all of the participant‘s study-related activities happen at places other than a single study site.

A type of study where each participant receives all the study treatments but in a randomly assigned order.

Research that uses existing data to compare a group of participants with a disease or trait to a group without the same disease or trait.

A way to keep participants, and often study staff, from knowing which study treatment a participant is assigned.