MonteCarlo Question PreviousNext
Mplus Discussion > Structural Equation Modeling >
Message/Author
 Eric Turkheimer posted on Tuesday, November 07, 2006 - 1:14 pm
Is it possible to use Monte Carlo procedures in MPlus to examine the power of a hypothesis with 2 df? Suppose I have parameters i, j and k, and I am interested in the power to test the hypothesis that i=j=k. In observed data, one would set them equal and examine the decrement in fit with 2df.

In the Monte Carlo module, you can look at the power of a 1 df test by defining

new=i-k;

in the constraint block and looking at the distribution of new across replications. Is there a way to do it for the two df case?

Thanks,
Eric
 Bengt O. Muthen posted on Tuesday, November 07, 2006 - 1:59 pm
I think Model Test gets Monte Carlo summaries - that gives a Wald test of constraints that you define. See the MODEL TEST command in the 4.1 UG.
 Eric Turkheimer posted on Thursday, November 09, 2006 - 5:44 pm
I don't see Monte Carlo summaries of Model Test statements.... should I send you the output?

Eric
 Linda K. Muthen posted on Thursday, November 09, 2006 - 6:01 pm
Yes.
 Bengt O. Muthen posted on Thursday, November 09, 2006 - 6:43 pm
Model Test produces the Wald Test fit that is shown in the Tests of Model
Fit section at the top of the output.
Back to top
Add Your Message Here
Post:
Username: Posting Information:
This is a private posting area. Only registered users and moderators may post messages here.
Password:
Options: Enable HTML code in message
Automatically activate URLs in message
Action: