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longitudinal study
(redirected from Longitudinal design)

   Also found in: Wikipedia 0.04 sec.
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.


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A similar study conducted with a longitudinal design would give more comprehensive information about these relationships.
The term longitudinal design refers to a flexible research approach that can be applied to a wide range of topics involving change over time.
Due to the lack of conclusive longitudinal evidence to support the additive orientation, a longitudinal design from a nationally representative data set--the National Longitudinal Study of Adolescent Health--was used to discern whether mother and father involvement offer unique and additive predictive power to understanding problem behavior at later times.
 
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