Longitudinal
Longitudinal
Longitudinal (pronunciation: /lɒndʒɪˈtjuːdɪnəl/) is a term often used in various fields of study, including medicine, psychology, and sociology. It refers to a type of study or research that involves repeated observations of the same variables over long periods of time.
Etymology
The term 'longitudinal' is derived from the Latin word 'longitudo', which means length. In the context of research, it refers to the length of time over which observations are made.
Related Terms
- Cross-sectional study: A type of observational study that involves the analysis of data collected from a population, or a representative subset, at one specific point in time.
- Cohort study: A type of longitudinal study that involves following a cohort or group of individuals who share a common characteristic or experience within a defined period.
- Panel study: A type of longitudinal study where data is collected from the same individuals at multiple time points.
- Repeated measures design: A type of longitudinal study where the same variables are measured on the same subjects at different points in time.
In Medicine
In the field of medicine, longitudinal studies are often used to observe the long-term effects of different treatments or interventions, the progression of diseases, or the impact of risk factors on health outcomes. They can provide valuable insights into the causes and consequences of various health conditions, and can help inform the development of effective prevention and treatment strategies.
In Psychology
In psychology, longitudinal studies are used to track changes in behavior, attitudes, or psychological traits over time. They can help researchers understand how these factors develop and change throughout a person's life, and can provide important insights into the processes of human development and aging.
In Sociology
In sociology, longitudinal studies are used to examine social trends and changes over time. They can provide valuable information about the dynamics of social structures, relationships, and behaviors, and can help inform policies and interventions aimed at addressing social issues.
External links
- Medical encyclopedia article on Longitudinal
- Wikipedia's article - Longitudinal
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