Difference between revisions of "Longitudinal study"
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(New page: A longitudinal study observes the same subjects, usually human beings, over a long period of time, usually to detect onset of disease. A longitudinal study differs in approach from a [[cr...) |
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Revision as of 18:53, May 27, 2007
A longitudinal study observes the same subjects, usually human beings, over a long period of time, usually to detect onset of disease.
A longitudinal study differs in approach from a cross-sectional study and a retrospective study.