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longitudinal study |
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longitudinal study a chronological study in epidemiology which attempts to establish a relationship between an antecedent cause and a subsequent effect. See also cohort study. longitudinal study Diachronic study Statistics A study that follows the same persons over time, evaluating the effects of one or more variables on a processtime Examples Cohort studies, case-control studies. Cf Cross-sectional study, Horizontal study. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Data from a longitudinal study on the psychological development of a group of children born in 1982 and 1983 indicate that those who displayed behavioural problems as children had an increased likelihood of binge drinking in their teenage years. A five-campus longitudinal study of 1,432 first-year respondents found a positive correlation of students' "hardiness" with persistence to their expected '02 graduation, four years later. The best longitudinal study, the National Education Longitudinal Study, surveyed 8th graders and then followed them into high school and young adulthood. |
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