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Using Hierarchical Linear Models to Examine Moderator Effects: Person-by-Organization Interactions

University of Minnesota, mld{at}umn.edu

Nohoon Kwak

University of Minnesota

Young Seok Seo

University of Minnesota

Jiyoung Choi

University of Minnesota

A cross-level interaction is said to occur when the effects of client or employee characteristics interact with organizational characteristics to influence an employee or client outcome variable. Hierarchical linear modeling (HLM) is briefly described, particularly as it applies to the study of cross-level interactions. HLM is then compared to moderated multiple regression (MMR). An HLM model incorporating cross-level interactions is illustrated with data from a study of test validity across organizational units. An HLM model for person-organization congruence is then described. As compared to MMR, HLM can more readily handle large numbers of organizations. By increasing the number of organizations that can be studied, HLM should increase the power of the designs that researchers can use.

Organizational Research Methods, Vol. 5, No. 3, 231-254 (2002)
DOI: 10.1177/1094428102005003003


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