Measurement invariance of 2nd-order f... PreviousNext
Mplus Discussion > Confirmatory Factor Analysis >
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 Joseph E. Glass posted on Sunday, August 19, 2012 - 5:41 pm
Hello,

I have identified a second-order CFA model with ordinal indicators and WLSMV (see below). I would like to test the second order measurement parameters for loading and intercept invariance. Can you point me to reference materials on this topic or instruct me on how to do this? Thank you.

f1 by
var1 var2 var3 var4;
f2 by
var5 var6 var7 var8;
f3 by
var9 var10 var11 var2;
f4 by f1 f2 f3;

model g1:
[f1@0 f2@0 f3@0];
model g2:
[f1@0 f2@0 f3@0];
 Linda K. Muthen posted on Monday, August 20, 2012 - 9:02 am
The model you show above would be your constrained model. In the second model, you would free the factor loadings and thresholds, fix the mean of f4 to zero, and fix all scale factors at one. See multiple group analysis in the Topic 2 course handout for example inputs for how to do this.
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