WLSMV and RMSEA PreviousNext
Mplus Discussion > Confirmatory Factor Analysis >
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 Anna Grohmann posted on Tuesday, June 10, 2008 - 5:23 am
Hi,
Im running a CFA-model for categorical variables using the WLSMV estimator.
Is it possible to get the confidence interval for RMSEA?
Do you know if there is a simulation study dealing with the WLSMV estimator and items with 7-point likert scale? I only read some articles about the appropriateness of the WLSMV estimator for different sample sizes dealing with 5-point likert scale items.
Thanks a lot for your help.
Anna
 Linda K. Muthen posted on Tuesday, June 10, 2008 - 9:15 am
We do not provide the confidence intervals for RMSEA with categorical outcomes. I believe these have recently been developed and we may add them in the future.

The same principles apply to 7-point scales as 5-point. If they do not have floor or ceiling effects, they can be treated as continuous.
 Mark Weaver posted on Monday, June 22, 2009 - 12:08 pm
Hello, I'm wondering if you have any update on this issue, whether a confidence interval for RMSEA with categorical outcomes is now available in MPlus (I'm currently running version 4.1), or if there is a reference available.

Thanks!

Mark
 Linda K. Muthen posted on Monday, June 22, 2009 - 5:30 pm
These confidence intervals have not yet been developed.
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