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Date:         Sat, 25 Jul 1998 23:38:06 -0500
Reply-To:     "Nichols, David" <nichols@SPSS.COM>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@UGA.CC.UGA.EDU>
From:         "Nichols, David" <nichols@SPSS.COM>
Subject:      Re: Eta squared
Comments: To: roth jean ellen <j-roth2@UX6.CSO.UIUC.EDU>

The GLM procedure produces only the partial eta^2 measure, which will only match "regular" eta^2 in a single factor design. The older MANOVA procedure will give eta^2 values, but only if METHOD=SEQUENTIAL is used. You'll want to be careful with SEQUENTIAL to make sure that you're getting the sums of squares you want; it's likely to take several runs to get desired etas for multiple terms.

David Nichols Principal Support Statistician and Manager of Statistical Support SPSS Inc.

>---------- >From: roth jean ellen[SMTP:j-roth2@UX6.CSO.UIUC.EDU] >Sent: Sunday, July 19, 1998 12:01 AM >To: SPSSX-L@UGA.CC.UGA.EDU >Subject: Eta squared > >Is Eta squared an option for the general linear models? >A client of mine asked me to produce Eta squares with >her analysis, but I wasn't sure what they were, and I >did not find them in the documentation. >Thanks, >Jean Roth >University of Illinois at Urbana Champaign >

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