Factor score coefficients

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Factor score coefficients

Juergen Haenggi
Dear SPSS users

We have done a hierarchical factor analysis using SPSS. We then computed the
"Schmid-Leiman Solution" with syntax written by Wolff and Preising, Behavior
Research Methods, 2005, 37(1), 48-58.
But now, we need the factor score coefficients in order to compute the
factor scores.
Therefore, my questions:

How do I compute these factor score coefficients from the Schmid-Leiman
Solution?

Is there any syntax for doing that in SPSS?

Is it completely wrong to use the factor loadings instead the factor score
coefficients in order to compute the factor scores?

Thanks for help in advance
Best regards
Juergen

-----------------------------------------------------------
Juergen Haenggi
Ph.D. (Dr. des.)
Division of Neuropsychology
Institute of Psychology
University of Zurich
Binzmuehlestrasse 14, PO Box 25
8050 Zurich, Switzerland
0041 44 635 73 97 (phone office)
0041 76 445 86 84 (phone mobile)
0041 44 635 74 09 (fax office)
BIN 4.D.04 (office room number)
[hidden email] (email)
http://www.psychologie.uzh.ch/neuropsy/ (website)
http://www.juergenhaenggi.ch (private website)
-----------------------------------------------------------
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Re: Factor score coefficients

Hector Maletta
         Juergen,
         I do not have the answer to your main question, but I do know that
it is wrong to use factor loadings to compute factor scores. Factor loadings
play a role in the prediction of observed variables as a function of the
underlying factors, not the converse.

         Hector


         -----Original Message-----
From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of
Juergen Haenggi
Sent: 21 June 2007 08:09
To: [hidden email]
Subject: Factor score coefficients

         Dear SPSS users

         We have done a hierarchical factor analysis using SPSS. We then
computed the
         "Schmid-Leiman Solution" with syntax written by Wolff and Preising,
Behavior
         Research Methods, 2005, 37(1), 48-58.
         But now, we need the factor score coefficients in order to compute
the
         factor scores.
         Therefore, my questions:

         How do I compute these factor score coefficients from the
Schmid-Leiman
         Solution?

         Is there any syntax for doing that in SPSS?

         Is it completely wrong to use the factor loadings instead the
factor score
         coefficients in order to compute the factor scores?

         Thanks for help in advance
         Best regards
         Juergen

         -----------------------------------------------------------
         Juergen Haenggi
         Ph.D. (Dr. des.)
         Division of Neuropsychology
         Institute of Psychology
         University of Zurich
         Binzmuehlestrasse 14, PO Box 25
         8050 Zurich, Switzerland
         0041 44 635 73 97 (phone office)
         0041 76 445 86 84 (phone mobile)
         0041 44 635 74 09 (fax office)
         BIN 4.D.04 (office room number)
         [hidden email] (email)
         http://www.psychologie.uzh.ch/neuropsy/ (website)
         http://www.juergenhaenggi.ch (private website)
         -----------------------------------------------------------