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Aiming for the truth: understanding the difference between validity and precision
Author(s) -
Attia John R,
Jones Michael P,
Suthers Belinda
Publication year - 2016
Publication title -
medical journal of australia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.904
H-Index - 131
eISSN - 1326-5377
pISSN - 0025-729X
DOI - 10.5694/mja16.00489
Subject(s) - newcastle upon tyne , biostatistics , newcastle disease , library science , classics , medicine , history , art history , epidemiology , computer science , virus , virology
In teaching generations of registrars, a recurring theme is the conflation of the concepts of validity and precision, resulting in an erroneous understanding of the role of statistics. In this article, we clarify the definition of these two concepts, looking at what drives these measures and how they can be maximised.3 page(s