Re: population size and confidence power

From: "Nick Holford" n.holford@auckland.ac.nz Subject: Re: [NMusers] population size and confidence power Date: Mon, April 4, 2005 4:08 pm Oops... Nick Holford wrote: "If 80 out of 100 such studies fail to reject the null hypothesis then you could conclude that the power of the design is about 80%." This should have read: "If 80 out of 100 such studies reject the null hypothesis then you could conclude that the power of the design is about 80%. Nick -- Nick Holford, Dept Pharmacology & Clinical Pharmacology University of Auckland, 85 Park Rd, Private Bag 92019, Auckland, New Zealand email:n.holford@auckland.ac.nz tel:+64(9)373-7599x86730 fax:373-7556 http://www.health.auckland.ac.nz/pharmacology/staff/nholford/