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st: Sample size resources


From   Ronan Conroy <[email protected]>
To   "statalist hsphsun2.harvard.edu" <[email protected]>
Subject   st: Sample size resources
Date   Wed, 19 Feb 2003 16:37:36 +0000

Electronic sources that are also worth a look are

http://www.statsoftinc.com/textbook/stpowan.html

And the manual for GPower, which is free software for sample size
calculation.

http://www.psycho.uni-duesseldorf.de/aap/projects/gpower/

GPower uses effect size notation but has an effect size calculator for those
who think in terms of means and SDs.

Ronan M Conroy ([email protected])
Lecturer in Biostatistics
Royal College of Surgeons
Dublin 2, Ireland
+353 1 402 2431 (fax 2764)

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