Mediation (David A. Kenny)
davidakenny.net › cm › mediateMediation is a very popular topic. (This page averages over 200 visitors a day and Baron and Kenny (1986) has over 70,000 citations, according to Google Scholar, and there are four books on the topic (Hayes, 2013; Jose, 2012; MacKinnon, 2008;VanderWeele, 2015.)
Mediation (David A. Kenny)
davidakenny.net/cm/mediate.htmBaron and Kenny (1986) and Kraemer et al. (2002) discuss the possibility that M might interact with X to cause Y. Baron and Kenny (1986) refer to this as M being both a mediator and a moderator and Kraemer et al. (2002) as a form of mediation.