Moderation in a Growth model for two ... PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
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 Ana Margarida Graša posted on Monday, May 07, 2012 - 10:49 am
Hi,
I have two variables each one measured 5 times. I want to know if the growth in one variable is related to the growth of the second variable. I want also to test how is that relationship according to different levels of a third variable, i.e., test a moderation.
How can this be done in MPlus? Is there any reference with the sintax?
Thanks in advance!
 Linda K. Muthen posted on Monday, May 07, 2012 - 5:17 pm
See Example 6.13 which is a parallel process model. If the moderator is categorical, you can do a multiple group analysis.
 Ana Margarida Graša posted on Tuesday, May 08, 2012 - 10:10 am
Thank you for your response!
The moderator is continuous. What could be the best procedure?
 Linda K. Muthen posted on Tuesday, May 08, 2012 - 2:44 pm
Then you need to create an interaction term using the DEFINE command if both variables are observed or the XWITH option if one or both are latent.
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