I don't think you can calculate power--I recall doing power calculations for my dissertation--the last time I thought that was a good use of my time! But you can certainly ask SPSS to calculate effect size, and that is, in my mind, a sufficient approximation.
Annette On Tue, 12 Nov 2002, Paul Smith wrote: > Hazarding an educated but perhaps incorrect response... > > I don't think that she's going to be able to calculate power using SPSS. > SPSS is a program for working with actual data, and power is a calculation > based on a number of assumptions that one makes about the data (most > importantly, hypothesized size of the effect). I don't have time at the > moment to find a good reference source for what she does need to do (I'm > sure other TIPSters will come through quickly), but I suggest you stop > looking for a way using SPSS. I don't think you're going to find one. > > Waiting to be corrected, <grin> > > Paul Smith > Alverno College > Milwaukee > > > ----- Original Message ----- > From: Rob Flint <[EMAIL PROTECTED]> > To: Teaching in the Psychological Sciences <[EMAIL PROTECTED]> > Sent: Tuesday, November 12, 2002 6:09 AM > Subject: SPSS & Power > > > > First, I'd like to thank everyone who responded to the list yesterday with > > comments and suggestions for my student (re: marginally significant). > > > > It seems as though the most prudent step is to have her calculate the > power. > > We have SPSS v.11.0 on campus and I have been encouraging students to use > > this for their data analyses, but I can't seem to locate the method for > > calculating power for a one-way ANOVA. Is anyone familiar with v.11.0 > enough > > to instruct me on how to calculate power? > > > > Thanks again, > > > > Rob > > ------------------------------------------------------------- > > Robert W. Flint, Jr., Ph.D. > > The College of Saint Rose > > Department of Psychology > > 432 Western Avenue > > Albany, NY 12203-1490 > > > > Office: 518-458-5379 > > Lab: 518-454-2102 > > Fax: 518-458-5446 > > > > Behavioral Neuroscience Homepage: > > http://academic.strose.edu/academic/flintr/ > > Department of Psychology Homepage: > > http://academic.strose.edu/academic/psychology/index.htm > > > > > > --- > > You are currently subscribed to tips as: [EMAIL PROTECTED] > > To unsubscribe send a blank email to [EMAIL PROTECTED] > > > > > --- > You are currently subscribed to tips as: [EMAIL PROTECTED] > To unsubscribe send a blank email to [EMAIL PROTECTED] > Annette Taylor, Ph. D. Department of Psychology E-mail: [EMAIL PROTECTED] University of San Diego Voice: (619) 260-4006 5998 Alcala Park San Diego, CA 92110 "Education is one of the few things a person is willing to pay for and not get." -- W. L. Bryan --- You are currently subscribed to tips as: [EMAIL PROTECTED] To unsubscribe send a blank email to [EMAIL PROTECTED]
