Modification Indices with WLSMV estim... PreviousNext
Mplus Discussion > Confirmatory Factor Analysis >
 Nathan Alkemade posted on Thursday, August 18, 2011 - 4:26 pm
I am using the modification indices with the WLSMV estimator (dichotomous variables). I ran analyses sequentially freeing parameters (item loadings) to find a Partial Scalar Invariant model. I completed the analysis twice once using the M.I. value in the modification indices and once using the StdYX E.P.C. The two approaches produced varying results.
Is there any research or does the Mplus team know which modification indice value is preferred as the basis of selecting the parameters to amend in subsequent analyses?
 Bengt O. Muthen posted on Friday, August 19, 2011 - 6:20 pm
I would base my decision on using significant MIs that make substantive sense and have substantively meaningful STDYX EPCs.
 Nathan Alkemade posted on Wednesday, August 24, 2011 - 11:01 pm
Thanks Bengt
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