Unconditional vs. conditional GMM PreviousNext
Mplus Discussion > Growth Modeling of Longitudinal Data >
 socrates posted on Saturday, November 11, 2006 - 2:33 am
Dear Dr. Muthén

With an unconditional GMM I identified five latent classes in a londitudinal dataset. These trajectories agree with theoretical expectations.
Subsequently, I entered time-invariant covariates to check if these variables allow to predict growth parameter variance within these latent classes. While I found some significant predictors with this procedure, some of the resulting trajectories look quite different compared to the ones of the unconditional GMM. How do I have to interpret this?

Thank you very much foryour help!
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