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Centering and interaction PreviousNext
Mplus Discussion > Multilevel Data/Complex Sample >
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 cc0212 posted on Friday, September 19, 2014 - 2:03 pm
Hi,

I'm testing a mediation model. I have three mediators. Two dummy variables and their interaction term. I also want to group mean center all predictors and mediators. Should l compute the interaction term before or after centering the two mediators?

Thank you!
 Linda K. Muthen posted on Saturday, September 20, 2014 - 6:56 am
Centering of mediators should be done before creating the interaction term.
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