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Glossary of Statistical Terms 

Glossary of Statistical Terms
Chapter:
Study Design and Statistics
Author(s):

Margaret A. Winker

and Stephen J. Lurie

Page of

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date: 16 October 2019

UPDATE: We will discontinue using quotation marks to identify parts of an article, but retain the capitalization; eg, This is discussed in the Methods section (not the “Methods” section). This change was made February 14, 2013. UPDATE: Although our style manual recommends (Section 20.9, page 888 in the print) that "[expressing] P to more than 3 significant digits does not add useful information to P<.001," in certain types of studies (particularly GWAS [genome-wide association studies] and other studies in which there are adjustments for multiple comparisons, such as Bonferroni correction, and the definition of level of significance is substantially less

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