Journal of the National Cancer Institute Advance Access originally published online on June 26, 2009
JNCI Journal of the National Cancer Institute 2009 101(16):1157; doi:10.1093/jnci/djp203
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© The Author 2009. Published by Oxford University Press.
CORRESPONDENCE |
DEWEY DEFEATS TRUMAN and Cancer Statistics
Affiliation of author: Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, IL
Correspondence to: Bernard Friedenson, PhD, Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, 900 S Ashland Ave, Chicago, IL 60607 (e-mail: molmeddoc@gmail.com).
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DEWEY DEFEATS TRUMAN was a famous headline in a 1948 issue of the Chicago Daily Tribune (1). Truman's 4.4-percentage point victory contrasted with preelection polls predicting Dewey by 5–15 percentage points. Several prominent pollsters including Gallup used quota sampling (asking until one gets a certain number of respondents from certain groups) instead of probability sampling (asking people