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  E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/5661649526 Title: Is There Something Wrong? Validity and Bias Publisher: ISBN/ISSN: 978-0-387-45964-6 978-0-387-45966-0 OCLC:5661649526

  
  

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Is There Something Wrong? Validity and Bias

Edition/Format:	Chapter : English
Summary:	The primary objective of most epidemiologic research is to obtain a valid estimate of an effect measure of interest. In this chapter we illustrate three general types of validity problems, distinguish validity from precision, introduce the term bias, and discuss how to adjust for bias.
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