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This link [6] depicts a simple manifest-variable moderation as shown in the images below (along with Mplus code). The path diagrams don't inclde residuals, or, for instance moderator <-> predictor covariance, nor how covariance is implement (if at all) between XW and the main effects X and W.
A couple of questions.
- Does anyone have a pointer to path diagrams that are complete (i.e with residuals and covariances?)
- Using RAM, can the moderation be implemented as an algebra on the X->Y path?