Regression model
Moderation (Interaction) Analysis
Moderation analysis tests whether the effect of a predictor X on an outcome Y changes with the level of a third variable W, the moderator. It is estimated within a regression framework through an interaction term X×W, popularised by Aiken & West (1991) and Hayes's PROCESS macro (2018).
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Sources
- Hayes, A. F. (2018). Introduction to Mediation, Moderation, and Conditional Process Analysis (2nd ed.). Guilford Press. ISBN: 978-1462534654
- Aiken, L. S. & West, S. G. (1991). Multiple Regression: Testing and Interpreting Interactions. Sage Publications. ISBN: 978-0761907121