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Observational studies

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Term	Definition
Observational studies	Like intervention studies, observational studies attempt to understand cause-and-effect relationships. However, unlike interventions, the researcher is not able to control how subjects are assigned to groups and/or which treatments each group receives. Researchers record variables’ values as they naturally occur (can be retrospective or prospective) during a certain follow up period (see Intervention studies). Hits: 5980

Term

Definition

Like intervention studies, observational studies attempt to understand cause-and-effect relationships. However, unlike interventions, the researcher is not able to control how subjects are assigned to groups and/or which treatments each group receives. Researchers record variables’ values as they naturally occur (can be retrospective or prospective) during a certain follow up period (see Intervention studies).

Hits: 5980

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