Re: Measurement Invariance: on initial CFA or revised CFA?

Posted by Swank, Paul R on Apr 10, 2012; 3:24pm
URL: http://spssx-discussion.165.s1.nabble.com/Measurement-Invariance-on-initial-CFA-or-revised-CFA-tp5628686p5630312.html

It doesn't do any good to test invariance on an ill-fitting model. You wish the model allowing invariance to fit the data.

Dr. Paul R. Swank,
Children's Learning Institute
Professor, Department of Pediatrics, Medical School
Adjunct Professor, School of Public Health
University of Texas Health Science Center-Houston


-----Original Message-----
From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of nnhartma
Sent: Monday, April 09, 2012 7:16 PM
To: [hidden email]
Subject: Measurement Invariance: on initial CFA or revised CFA?

Hello:

I am testing for measurement invariance across two groups. Do I need to run
measurement invariance on the initial CFA or revised CFA model? I understand
how to run the measurement invariance test as well as how to interpret it.

Looking at the literature across various fields as well as several SEM texts
leads me to believe that I should do a CFA for each group separately and
then test the final CFA models for each group for measurement invariance.
However, I am working with a 9 latent factor model which has approximately
40 items. Intuition tells me that in larger models we will always fail to
find invariance (there are always items that need to be deleted IMO).

Thank you for your help.
Best!


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