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Experimental Design: Fallacy of “Before-After” Comparisons in Uncontrolled Studies

Part of the Statistics for Biology and Health book series (SBH)

Abstract

The design of an experiment is defined as the method by which subjects (experimental units) are assigned to treatments. The chosen method of assignment in turn determines the way in which the data collected in the study are analyzed.

Keywords

Amyotrophic Lateral Sclerosis Experimental Treatment Allergic Rhinitis Plasma Cholesterol Placebo Effect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia, Milano 2007

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