A comparison of methods to test mediation and other intervening variable effects.
A comparison of methods to test mediation and other intervening variable effects.
D. Mackinnon,C. Lockwood,2 Authors,V. Sheets
2002 · DOI: 10.1037/1082-989X.7.1.83
Psychological methods · 9,490 Citations
TLDR
A Monte Carlo study compared 14 methods to test the statistical significance of the intervening variable effect and found two methods based on the distribution of the product and 2 difference-in-coefficients methods have the most accurate Type I error rates and greatest statistical power.