StATS: An alternative to the p-value (April 3, 2008).
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A discussion on edstat-l concerned a statistic called p-rep. I had not heard of this statistic before, but at least one journal is calling for its use in all papers published by that journal.
There is a nice description of this method in a publication by Peter Killeen, and a detailed bibliography plus an Excel spreadsheet is available as a ZIP file.
This statistic sounds suspiciously like a post hoc power calculation, but I have not examined the formulas in any detail. When things get calmer here (they are never completely calm), I will try to describe this in more detail.
This page was written by Steve Simon while working at Children's Mercy Hospital. Although I do not hold the copyright for this material, I am reproducing it here as a service, as it is no longer available on the Children's Mercy Hospital website. Need more information? I have a page with general help resources. You can also browse for pages similar to this one at Category: Hypothesis testing.