Testing for Mediation and Moderation

Grayson N. Holmbeck provides tips for using multiple regression and SEM when testing for mediators and moderators.

Q&A

Making Sense of Mediators and Moderators

Helena Kraemer clarifies the roles of mediators, moderators, and interactions in RCTs.

Q&A

Post-Hoc Probing of Mediator and Moderator Effects

Grayson N. Holmbeck explains why post-hoc tests are important, and provides examples.

Q&A