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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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 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]] | + | A longitudinal study differs in approach from a [[cross-sectional study]], which looks at something at a particular moment or snapshot in time. |
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| + | A [[retrospective study]] is a less desirable type of longitudinal study that looks backwards rather than forwards in time. | ||
Revision as of 19:04, 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, which looks at something at a particular moment or snapshot in time.
A retrospective study is a less desirable type of longitudinal study that looks backwards rather than forwards in time.