Re: Historical query regarding SPSS functionality

Posted by Andy W on Jan 01, 2021; 3:55pm
URL: http://spssx-discussion.165.s1.nabble.com/Historical-query-regarding-SPSS-functionality-tp5740087p5740096.html

Art,

It is pretty common to get higher power for exact tests. So if you have
smaller sample sizes (and assuming the test itself makes sense, many say
Fisher's only is valid if the marginals are fixed), they can make quite a
bit of sense. Here are a few examples I have written about:

 - Quantifying racial bias is peremptory challenges is an example for
Fisher's
(https://andrewpwheeler.com/2014/09/25/quantifying-racial-bias-in-peremptory-challenges/)

 - Benford's test with small samples
(https://andrewpwheeler.com/2017/03/31/using-the-exact-reference-distribution-for-small-sample-benford-tests/).
So this isn't for bivariate tables, but a single set of categories, e.g. A =
25%, B = 50%, C = 25%, etc. and see if they deviate from those null
proportions.

Andy





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Andy W
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http://andrewpwheeler.wordpress.com/
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