Concept information
Preferred term
longitudinal research design
Definition
- In epidemiology, a longitudinal study refers to the collection of data from the same unit (e.g., the same person) at two or more different points in time. The great advantage of longitudinal studies is that each subject serves as his or her own control in the study of change across time. [Source: Encyclopedia of Epidemiology; Longitudinal Research Design]
Broader concept
Belongs to group
URI
https://concepts.sagepub.com/social-science/concept/longitudinal_research_design
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