Mediation (statistics) - Wikipedia
https://en.wikipedia.org/wiki/Mediation_(statistics)In the diagram shown above, the indirect effect is the product of path coefficients "A" and "B". The direct effect is the coefficient " C' ". The direct effect measures the extent to which the dependent variable changes when the independent variable increases by one unit and the mediator variable remains unaltered. In contrast, the indirect effect measures the extent to which the dep…
Path Analysis -- Advanced Statistics using R
advstats.psychstat.org › book › pathExample 1. Mediation analysis -- Test the direct and indirect effects. The NLSY data include three variables – mother's education (ME), home environment (HE), and child's math score. Assume we want to test whether home environment is a mediator between mother’s education and child's math score. The path diagram for the mediation model is: