Longitudinal observational studies are a type of research design that involves following a group of individuals over a period of time and observing changes in their health status or other variables of interest. In these studies, researchers collect data on the same individuals at multiple points in time, often with the goal of understanding how these variables change over time and what factors may be associated with these changes.
« Back to Glossary IndexLONGITUDINAL OBSERVATIONAL STUDIES
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