Mediation Analysis: featuring JASP

If you appreciate this content, consider buying me a coffee ☕️ https://www.buymeacoffee.com/drben 0:00 An example 3:10 Mediation in general 4:12 Causal claims 8:48 Mediation analysis is just some linear regressions 11:00 Barron-Kenny approach 15:32 Terms 18:01 Standardisation 20:03 An example with simulated data 25:49 Multiple mediators 26:19 Lavaan model syntax 27:24 Criticisms of mediation analysis 29:35 Bayesian parameter estimation vs Bayesian Hypothesis Testing 31:53 Resources and references Software Resources JASP: https://jasp-stats.org (Activate the SEM module) Useful blog post: https://jasp-stats.org/2020/03/12/med... Lavaan: https://www.lavaan.ugent.be Blavaan (i.e. Bayesian lavaan) https://faculty.missouri.edu/~merklee... Bayesian estimation of mediation model on my GitHub: https://github.com/drbenvincent/pymc3... References Nuijten, M. B., Wetzels, R., Matzke, D., Dolan, C. V., & Wagenmakers, E.-J. (2014). A default Bayesian hypothesis test for mediation. Behavior Research Methods, 47(1), 85–97. http://doi.org/10.3758/s13428-014-0470-2 Wu, A. D., & Zumbo, B. D. (2007). Understanding and Using Mediators and Moderators. Social Indicators Research, 87(3), 367–392. http://doi.org/10.1007/s11205-007-9143-1 Yuan, Y., & MacKinnon, D. P. (2009). Bayesian mediation analysis. Psychological Methods, 14(4), 301–322. http://doi.org/10.1037/a0016972 Merkle, E. C., & Rosseel, Y. (2018). blavaan: Bayesian Structural Equation Models via Parameter Expansion. Journal of Statistical Software, 85(4), 1–30. http://doi.org/10.18637/jss.v085.i04