Two Stage Design [Regulatives / Guidelines]

posted by JPL  – Vienna, 2008-08-28 11:44 (6138 d 16:26 ago) – Posting: # 2268
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Dear HS,

I don't have access to the paper, but it is an interesting issue. But what is meant by "evaluate the power at stage 1"? Am I right that only sample size is adjusted, but intial assumptions on difference and variance are used otherwise?
Regards,
JPL

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