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Epidemiological Studies by Mind Map: Epidemiological Studies
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Epidemiological Studies

Experimental studies

The investigator manipulate the independent variable

Types

Clinical Trial, determine the efficacy of treatment or protocol, the groups are dichotomized based on exposure, non-blind study: subjects and examiners are aware of the groups. single blind: only the subject is blind to the group assignments. double blind: both examiner and subjects are blind to the group assignment. triple blind: investigator, examiner, and subjects are blind to the group assignment, a monitoring committee oversees the research activities

Animal Studies

Observational Studies

The investigator does not manipulate the independent variable

Types

Cross sectional stuies, the dependent and independent variables are measured simultaneously, to study the study prevalence

Case control Studies, the study groups are dichotomized based on the outcome (dependent variable), to explore potential risk factors. Primarily used to study rare disease, retrospective analysis

Cohort studies, the study groups are dichotomized based on the exposure (independent variable), to determine the incidence and establish risk factors, retrospective and prospective analysis

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