Encyclopedia of Public Health

2008 Edition
| Editors: Wilhelm Kirch


Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-5614-7_3001


A continuous process with a precisely defined aim (or aims) and duration as well as a conveniently chosen research strategy. It implies existence of a plan and a certain number of accurately chosen test subjects whose characteristics are properly explained and are observed and measured using instruments of acknowledged quality. It contains an adequate description, analysis, generalization, interpretation, and presentation.


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© Springer-Verlag 2008