Restricted Variance Interaction Effects

What They are and Why They are Your Friends

Jose M. Cortina, Tine Köhler, Kathleen R. Keeler, Bo Bernhard Nielsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Although interaction hypotheses are increasingly common in our field, many recent articles point out that authors often have difficulty justifying them. The purpose of this article is to describe a particular type of interaction: the restricted variance (RV) interaction. The essence of the RV interaction is that, as the value of one variable in a system changes, certain values of another variable in the system become less plausible, thus restricting its variance. This, in turn, influences relationships between that variable and other variables. These types of interactions are quite common, even if they are not recognized as RV interactions, and they exist at every level of analysis. The advantage of the RV interaction is that, as compared with other interaction types, it is relatively simple to justify. The different forms of RV interaction do, however, contain complexities of which a researcher must be aware. This article explains and illustrates the forms that RV interactions can take and their often counterintuitive implications. It also describes how one should go about testing them. Our intention is to help researchers strengthen and focus their interaction arguments.
Original languageEnglish
JournalJournal of Management
Volume45
Issue number7
Pages (from-to)2779-2806
Number of pages28
ISSN0149-2063
DOIs
Publication statusPublished - Sep 2019

Bibliographical note

Published online: 17. April 2018

Keywords

  • Multilevel modeling/hierarchical
  • Research methods
  • Statistical methods
  • Personality

Cite this

Cortina, Jose M. ; Köhler, Tine ; Keeler, Kathleen R. ; Nielsen, Bo Bernhard. / Restricted Variance Interaction Effects : What They are and Why They are Your Friends. In: Journal of Management. 2019 ; Vol. 45, No. 7. pp. 2779-2806.
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Restricted Variance Interaction Effects : What They are and Why They are Your Friends. / Cortina, Jose M. ; Köhler, Tine; Keeler, Kathleen R.; Nielsen, Bo Bernhard.

In: Journal of Management, Vol. 45, No. 7, 09.2019, p. 2779-2806.

Research output: Contribution to journalJournal articleResearchpeer-review

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