longitudinal research


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longitudinal research

A long-term study of a cohort (a group of subjects born during a particular time period) that determines the natural history of an illness or the enduring effects of a treatment.
See also: research
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Previous longitudinal research into self-verification supports the prediction that people seek and find verification over time in naturally occurring situations (McNulty & Swann, 1994).
Helwig's (2008) article describes longitudinal research that indicates that, retrospectively, interventions at this developmental level were found to be of less help than originally perceived.
Advantages and new developments associated with conducting longitudinal research make this an opportune time to increase the profession's involvement in longitudinal research.
Longitudinal research demonstrates several features that permit the observation of process and change and facilitate identification and evaluation of the underlying factors.
At the same time, longitudinal research suggests that nearly half the students who begin at community college do not obtain a degree or enroll in another college or university within six years.
The issue emphasizes longitudinal research in the field of gifted education.
Lynch's view was reinforced by Geoffrey Nelson and colleagues' 2003 meta-analysis of longitudinal research on 34 preschool programs for disadvantaged children, which found small to moderate positive effects on children's cognitive and social-emotional functioning and parent-family wellness.
Longitudinal research produces more reliable evidence concerning causality by gathering data directly from participants, preintervention and postintervention, utilizing 1 or more follow-up studies at the conclusion.
Many participants commented that more longitudinal research is needed to see what does and doesn't work for preventing obesity.
In her concluding chapter, Kuhlthau emphasizes the value of longitudinal research that incorporates both quantitative and qualitative methods.
Longitudinal research studies in music the-ap), are not frequently reported within the music therapy literature despite the need for these Within the discipline.

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