ENVS 4210 Lecture Notes - Lecture 7: Case Report, Cohort Study, Causal Inference
Document Summary
Descriptive studies describes diseases and help generate causal hypotheses. Set 7 analytic studies test hypotheses experimental studies always analytic. The investigator controls whether a subject is exposed observational studies either descriptive or analytic. The investigator does not have control over which subjects are exposed. Many associations have to be examines type os descriptive studies case reports, case series, and cross-sectional surveys. Used to describe individual health characteristics what are descriptive health studies useful for? health planning, resource allocation, and generation of etiologic hypotheses types of analytic studies ecological studies, case-control studies, cohort studies, and experimental studies experimental study designs. Cohort (analytic) randomized trials considered the best design to use for evaluating effectiveness and side effects of new therapies and interventions examples of things that randomized trials can be used for (4) Evaluate tests of new health and medical care technology. Evaluate new programs for screening and early detection.
