In our simple mediation example the independent variable is maththe mediator variable is read and the dependent variable is science. Here is the symbolic version of the model. Thus, your sem model will look something like this. If your model contains control variables, i. Rather, the examples will show partial mediation in which there is a decrease in the direct effect. The examples will not demonstrate full mediation, i. We will illustrate using the sem command with the hsbdemo dataset. The sem command introduced in Stata 12 makes the analysis of mediation models much easier as long as both the dependent variable and the mediator variable are continuous variables.
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