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JAMAevidence Glossary
Terms are derived from
Users' Guides to the Medical Literature: A Manual for Evidence-Based Practice, 2nd Edition
and
The Rational Clinical Examination: Evidence-Based Clinical Diagnosis.
Updated December 2009.
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2
test
A nonparametric test of statistical significance used to compare the distribution of categorical outcomes in two or more groups, the null hypothesis of which is that the underlying distributions are identical.
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