What's the difference between a mediator and a moderator?

Mediation analysis tests a hypothetical causal chain where one variable X affects a second variable M and, in turn, that variable affects a third variable Y.

2023年4月18日 — There has always been some confusion between mediators and moderators when conducting research. It's understandable.

In statistics, moderation and mediation can occur together in the same model. Moderated mediation, also known as conditional indirect effects, occurs when ...

由 RM Baron 著作 · 1986 · 被引用 129712 次 — In this article, we attempt to distinguish between the properties of moderator and mediator variables at a number of levels.

2010年6月8日 — 兩者比較一下：中介變數看的是IV 透過何種機制(也就是mediator) 影響到iV；調節變數看的是將將IV 分成幾個小組，各小組中IV 對DV 有不同的影響。

2022年11月10日 — A mediator (mediating variable) explains the process in which two variables relate. In contrast, a moderator (moderating variable) affects the ...

A mediator explains how or why two variables are related. A moderator affects the strength or direction of the relationship.

2021年3月1日 — A mediator explains how or why two variables are related. A moderator affects the strength or direction of the relationship.

由 RM Baron 著作 · 被引用 129856 次 — In this article, we attempt to distinguish between the properties of moderator and mediator variables at a number of levels.

Moderation and mediation analyses are two statistical techniques used in the field of causal inference. But they both serve different purposes and have ...