Multiple Mediation Analysis and Binary Mediators: A Methodological Brief
The paper briefly reviews mediation analysis and provides a detailed review of newly available estimation techniques dealing with categorical variables. The focus of the paper is on dealing with binary mediators. It discusses some recent methods such as marginal mediation analysis in detail highlighting the theoretical underpinnings of these techniques. It also describes the strengths, weaknesses and step by step illustration of each method. The paper is helpful in understanding the mediation analysis, the issues involved in estimation while dealing with binary mediators. The paper is pedagogical in nature and give quick and clear understanding of some recent mediation techniques.