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Computing the power of a t test
       
Denis Cousineau
60-62
Keywords: Statistics , statistical power , t test . Tools: SPSS, Mathematica.
(no sample data) (no appendix)
There has been a reply to this article by Cousineau and Laurencelle in volume 7(1).

We show how to compute the power of a 2-group t test using SPSS or Mathematica. To do so, it is necessary to estimate the hypothetical effect size, if an effect is to be found.

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last modified: February 29th, 2011;
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