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Date:   Fri, 9 May 1997 14:23:47 GMT
Reply-To:   David Nichols <nichols@SPSS.COM>
Sender:   "SPSSX(r) Discussion" <SPSSX-L@UGA.CC.UGA.EDU>
From:   David Nichols <nichols@SPSS.COM>
Organization:   SPSS, Inc.
Subject:   Re: Trend Analysis

In article <SPSSX-L%97050511510409@uga.cc.uga.edu>, Jeffrey Fagen <FAGEN@SJUVM.STJOHNS.EDU> wrote: >I'm using MANOVA to conduct a two-factor, within subjects analysis of >variance. I am most interested in the trends associated with the >factors. The polynomial option on the contrast command gives the >relevant trends and tests the significance of each trend with a >t statistic. What are the correct degrees of freedom for these t >statistics? > >Jeff Fagen

The df are N-1 for these statistics. You can use partitions on the WSDESIGN to get F-tests, which are the squares of these t-values, and the df are listed in this output.

-- ----------------------------------------------------------------------------- David Nichols Senior Support Statistician SPSS, Inc. Phone: (312) 329-3684 Internet: nichols@spss.com Fax: (312) 329-3668 -----------------------------------------------------------------------------


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