- Glossary of Terms
Glossary of Terms
We know that many of the concepts used on this site can be difficult to understand. For that reason, we have provided you with a glossary to help you make sense of the terms used in Comparative Effectiveness Research. Every word that is defined in this glossary should appear highlighted throughout the Web site. When you come upon a highlighted term and would like to read the full definition, you can either click on the word to visit the glossary or roll your mouse over the word for a pop-up definition.
Definition: A group of people with some characteristic in common. The characteristic can be:
- Where people live.
- Where they work.
- Where they go to school.
- People of the same age.
- People with the same medical condition.
- People receiving the same medical treatment.
For example, the Women's Health Initiative was a large study that collected information from a group of older women (a cohort) who were followed over several years.