from Potvin C to Inverse Normal [Two-Stage / GS Designs]

posted by mittyri – Russia, 2022-06-27 19:13 (756 d 08:32 ago) – Posting: # 23096
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Dear Helmut,

❝ In principle yes but I received a few deficiency letters asking for a “post hoc assessement of the Type I Error”. That’s not well-thought-out. Of course, we know n1 but the CV is just an estimate. The true one (used in the simulations of the framework) is unknown.

Fully agree! This thread was started due to deficiency letter my friend showed me some time ago. I thought I missed something in TSD, but now I see a full picture

❝ Consider to avoid this stuff in the future. See this post and followings for better alternatives.

there are zero papers I've seen by Russian experts regarding inverse normal method. I guess this is the reason why the sponsors do not want to have a risk with that invention. "Why should we care if everything works with Potvin?"

Kind regards,

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