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Mplus Discussion > Structural Equation Modeling >
 Mplus User posted on Thursday, January 14, 2010 - 9:59 am
I am trying to analyze a similar model with the demo version of Mplus, to find out whether it can handle the problems I want to handle:

X -> Y

- X is a dichotomous variable or a categorial varialbe with a handful of categories.

- Y is a latent variable

The interaction between X and Y is moderated by another dichotomous or categorial variable M.

How can that be handled using MPlus? If X and M were continous I would just use product terms...
 Linda K. Muthen posted on Friday, January 15, 2010 - 8:25 am
You can use m as a grouping variable.
 Mplus User posted on Friday, January 15, 2010 - 9:03 am
Thanks for your fast reply, but I wanted to avoid multi-group analysis...

Isn't there a way of handling that problem using the XWITH command or something like that, i.e. by calculating product terms like in the continous case?
 Bengt O. Muthen posted on Saturday, January 16, 2010 - 10:17 am
You can create interactions between X and M. So with both being say binary, you could create 3 binary dummy variables.
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