Raised conditional level of significance for the 2 × 2‐table when testing the equality of two probabilities
- 1 March 1970
- journal article
- Published by Wiley in Statistica Neerlandica
- Vol. 24 (1) , 1-9
- https://doi.org/10.1111/j.1467-9574.1970.tb00104.x
Abstract
Summary: In this paper it is to be shown that Fisher's non‐randomizing exact test for 2 × 2‐tables, which is a conditional test, can by simple means be changed into an unconditional test using raised levels of significance; not seldom, especially for not too large samples, the level of significance can be doubled. This leads in many cases to a considerable increase of power of the test. A table with raised levels has been prepared up to sample sizes of 50 and a rule of thumb, which can be used if this table is not available, has been developEd.Keywords
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