Date: Mon, 12 Aug 2002 12:10:11 -0400
Reply-To: Tony Baglioni <tbaglioni@epsilongroup.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: Tony Baglioni <tbaglioni@epsilongroup.com>
Subject: Re: Comparing factor structures
Content-Type: text/plain; charset="iso-8859-1"
I have some recall of a "coefficient of congruence" that could be calculated
by hand to compare factor structures obtained from different samples. It
required the same number of factors and they needed to be orthogonal.
I agree with John Painter's earlier suggestion of doing multi-group analysis
within lisrel or amos or eqs.
-----Original Message-----
From: Jeremy Miles [mailto:jnvm1@york.ac.uk]
Sent: Monday, August 12, 2002 12:02 PM
To: SPSSX-L@LISTSERV.UGA.EDU
Subject: Re: Comparing factor structures
You can do this by rotating the factors to a target matrix in an
exploratory factor analysis. I have seen a macro to do this in SPSS
somewhere, but I can't think where. It is also possible in other programs
- have a look at Paul Barrett's web page:
http://www.liv.ac.uk/~pbarrett/paulhome.htm, click on reprints/preprints on
the left, and scroll down the page to: The Eysenck Personality
Questionnaire: an examination of the factorial similarity of P, E, N, and L
across 34 countries.
HTH,
JM
At 03:59 11/08/02, Andrea Streit Schreiner wrote:
>Does anyone have any suggestions on how
>I might compare factors structures from
>2 different populations that were surveyed
>with the same instruments (using SPSSX version 10)?
>I have data from 100 "healthy" persons and
>100 persons with stroke. They were interviewed
>using the same instruments for various moods,
>attitudes and beliefs and I want to compare
>the factor structures that emerged for each
>population. Is there a statistical
>test for this? My hypothesis is that the
>structures are different (based on the theory
>I am using). I can see this difference
>in the factor loadings but how to I statistically
>express this difference?
>Any ideas?
>Thanks for any advice.
>Andrea
>
>=====
>
>Andrea Streit Schreiner RN PhD
>Japanese Red Cross Kyushu International University
>Asty 1-1, Munakata Shi, Fukuoka Ken, Japan 811-4157
>tel/fax: from outside Japan {81940 35-7508
> from Japan 094-35-7508
>e-mail: a-streit@jrckicn.ac.jp
>
>__________________________________________________
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Jeremy Miles
mailto:jnvm1@york.ac.uk http://www-users.york.ac.uk/~jnvm1/
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