Test, Fisher’s exact
A statistical test of independence much used in medical research. It tests the independence of rows and columns in a 2 X 2 contingency table (with 2 horizontal rows crossing 2 vertical columns creating 4 places for data) based on the exact sampling distribution of the observed frequencies. Hence it is an “exact” test. Devised by the great British statistician R. A. Fisher (1890-1962).
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A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific antibodies directed against the organism (Treponema pallidum) responsible for syphilis. The fluorescent treponemal antibody absorbed (FTA-ABS) test detects the majority but not all cases of the disease. It is thus a way of screening for the disease. A negative […]
- Test, FTA-ABS
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- Test, glucose tolerance
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- Test, inkblot
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