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Well, my initial reaction is that this is a case for -anova-, and you could
obtain further information from
Hamilton (2009), chapter 5, http://www.stata.com/bookstore/sws.html
or
Rabe-Hesketh and Everitt (2007), chapter 4,
http://www.stata.com/bookstore/statanalyses.html
Among free resources, the UCLA website
http://www.ats.ucla.edu/stat/stata/faq/ has a whole section on -anova-.
Also note the command -ttest- to compare means, as well as its cousins like
-signtest- et al. ...
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Rahsaan Maxwell
Gesendet: Sonntag, 17. Mai 2009 22:34
An: [email protected]
Betreff: st: ANOVA help
Hello-
I am interested in comparing mean scores on several attitudinal variables
for
two groups: A and B. I have a dummy variable C (which is coded 0- if group
A,
1- if group B).
There is a statistical significance for the difference in the overall means
for
these two groups. However, I want to see whether or not the means for
members
of A and B who live in the same neighborhood/city/region are the same. Some
preliminary cross-tabs suggest that attitudes for these two groups are
similar
when analyzed at these geographic levels.
So, I am thinking back to my intro stats class and wondering if ANOVA can
test
whether the difference in the mean attitude scores for members of groups A
and
B in the same neighorhood/city/region are statistically significant. If so,
how do I do this? If not, is there another test I should be using?
Thanks,
-Rahsaan
Rahsaan Maxwell, Ph.D.
Assistant Professor
Department of Political Science
University of Massachusetts, Amherst
Postdoctoral Fellow
Transatlantic Academy
German Marshall Fund of the United States
http://rahsaanmaxwell.googlepages.com
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