Decomposing main effects in moderated regression models

Sang-June Park and Youjae Yi

Journal of Business Research, 2023, vol. 157, issue C

Abstract: Previous research has used alternative moderated regression models (MRMs) (e.g., mean-centered MRM) to examine the interaction effect. The interaction effect remains fixed in alternative MRMs. In contrast, the main effects may change in alternative MRMs. Thus, it is common to examine moderation effects with the interaction effect only, although the main effects include useful information. This paper proposes a new MRM with which one can examine and interpret the main effects as well as the interaction effect meaningfully. The new MRM allows one to examine the effects of original predictors. Furthermore, it decomposes main effects into orthogonal components and correlated components. One may examine orthogonal components as the main effects separated from the interaction effect. In addition, one may examine correlated components to assess the degree to which the main effects are correlated with the interaction effect.

Keywords: Moderated Regression Model; Main Effects; Interaction Effect; Simple Slopes; Cross-over Values (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0148296322010426
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:jbrese:v:157:y:2023:i:c:s0148296322010426

DOI: 10.1016/j.jbusres.2022.113577

Access Statistics for this article

Journal of Business Research is currently edited by A. G. Woodside

More articles in Journal of Business Research from Elsevier
Bibliographic data for series maintained by Catherine Liu ().