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Treatment differences versus placebo in primary and key secondary end points were tested using a hierarchical testing approach for each dose at a significance level of 2.5% (two sided) to maintain the overall type I error at 5%.
Although the sample size calculation was based on a one sided testing approach, for the convenience of the reader we chose to show the results for the more conservative two sided tests, which were statistically significant at a P value of 0.05.
But Mr. Smith argued today that the precedent was two sided.
All tests were two sided.
It is a two sided problem".
This is a two sided story, however.
First, there's no two sided printing.
All p values are two sided.
This is a two sided question.
Harbaugh's response was two sided.
All reported P values were two sided.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com