Prospective
Prospective
Prospective (/prəˈspɛktɪv/), derived from the Latin word prospectus meaning "view", is a term often used in the medical field to refer to a type of study or trial that looks forward in time to observe outcomes.
Definition
In the context of medical research, a Prospective study is a study that follows over time a group of similar individuals (cohorts) who differ with respect to certain factors under study, to determine how these factors affect rates of a certain outcome.
Related Terms
- Cohort study: A type of medical research investigation commonly used in Epidemiology, where a group of people sharing a common characteristic or set of characteristics is followed over time.
- Randomized controlled trial: A type of Scientific experiment which aims to reduce bias when testing a new treatment. The people participating in the trial are randomly allocated to either the group receiving the treatment under investigation or to a group receiving standard treatment (or placebo treatment) as the control.
- Observational study: A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome (for example, no treatment is given).
Usage in Medical Field
The term prospective often refers to studies that are planned and then carried out forward in time or studies that are conducted by looking forward in time to observe the effect of a risk factor, diagnostic test, treatment or other intervention.
See Also
External links
- Medical encyclopedia article on Prospective
- Wikipedia's article - Prospective
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