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Latent Variable Modeling : Covariates... |
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My relatively simple question has to do with modeling the effects of covariates (age, race, gender) on latent variable IVs and DVs. In the example below where Y is a latent variable, is the effect of age on Y independent of the other covariates included in the model statement? Is this the effect of age, controlling for the rest of the covariates? Y on age gender race; Secondarily, if examining a theoretical model within an intervention---do we include treatment arm as a covariate or a grouping variable? |
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When there are several covariates, the regression coefficients are partial regression coefficients controlling for the other covariates. You can include treatment as either a covariate of a grouping variable. |
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