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ISBN: | 978-0-387-45964-6 978-0-387-45966-0 |
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Publication: | Kleinbaum, David G., dkleinb@sph.emory.edu, Department of Epidemiology Rollins School of Public Health, Emory University, 1518 Clifton Road, NE, Atlanta, GA, 30322, USA; A Pocket Guide to Epidemiology; 21-41; New York, NY : Springer New York |
Language Note: | English |
Unique Identifier: | 5661907859 |
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Abstract:
A key stage of epidemiologic research is the study design. This is defined to be the process of planning an empirical investigation to assess a conceptual hypothesis about the relationship between one or more exposures and a health outcome. The purpose of the study design is to transform the conceptual hypothesis into an operational hypothesis that can be empirically tested. Since all study designs are potentially flawed, it is therefore important to understand the specific strengths and limitations of each design. Most serious problems or mistakes at this stage cannot be rectified in subsequent stages of the study.
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