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7 Cards in this Set
- Front
- Back
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An experimental study |
is a type of evaluation that seeks to determine whether a program or intervention had the intended causal effect on program participants. |
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Cross - section |
Examines relationship between exposure and outcome withpopulation-level rather than individual-level data (usually definesgroups by place, time, or both). |
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A cohort study |
is a comparative study in which subjects are grouped according to their exposure status. |
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A case-control study |
is a comparative study in which subjects are selected according to disease status. |
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randomized controlled trial |
an epidemiological experiment designed to study the effects of a particular intervention, usually a treatment for a specific disease (clinical trial). |
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A cross-sectional study |
— involves surveying a defined population at a point in time. |
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The Objectives of Epidemiology |
To identify the etiology or cause of a disease and the relevant risk factors.
To determine the extent of a disease in the community.
To study the natural history and prognosis of disease.
To provide the foundation for developing public policy. |
