Date:         Fri, 13 Dec 2002 15:28:15 -0500
Reply-To:     Joel Snyder <jss47@cornell.edu>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Joel Snyder <jss47@cornell.edu>
Subject:      MANOVA: post-hoc testing
Content-Type: text/plain; charset="us-ascii"; format=flowed

I am trying to do post-hoc tests with MANOVA in SPSS 10 and can't figure
out what the best option is. My design has three repeated measure factors,
one of which is nested in another. Here is the basic syntax I am using:

MANOVA TO111 TO TO338
/WSFACTOR=ST(2) VER(3) EXC(4)
/WSDESIGN=ST VER EXC W ST  ST*VER VER*EXC W ST
/MEASURE=TWOONE.

This gives me all of the main effects and interactions specified but I now
would like to test for differences in means between levels of my factors
with >2 levels (e.g., VER and EXC). Is this possible using MANOVA?

Alternatively, is it possible to get a precise estimate of the MS error
values from the output. As it is now, I can only get two decimal places.
This prevents me from using the MS error value to calculate my own post-hoc
tests (e.g., Bonferonni).

Thanks in advance,
Joel


-----------------------------------------------------------------------
Joel Snyder
Cornell University
Uris Hall
Dept. of Psychology
Ithaca, NY 14853
USA

(607) 255-6398 (o)   (607) 255-8433 (fax)
email: jss47@cornell.edu
http://www.people.cornell.edu/pages/jss47/