Mediation with bootstrap standard errors and confidence intervals The total effect is about 1.66 times the direct effect. 66 or almost 2/3 the size of the direct effect. We see above that the proportion of the total effect that is mediated isĪlmost. It is often easier to interpret these values by computing ratios and proportions as The indirect effect of math that passes through read is. 4017207 which, while still significant (z = 5.58), is much smaller than the total effect. 66658, is the effect we would find if there was no mediator
If your model contains control variables, i.e., covariates, you must include these in each of Mediation in which there is a decrease in the direct effect. Will not demonstrate full mediation, i.e., the effect of the independent variable will not goįrom being significant to being not significant. 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 easierĪs long as both the dependent variable and the mediator variable are continuous
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