A comparison of methods to test mediation and other intervening variable effects.

P. MacKinnon, David; M. Lockwood, Chondra; M. Hoffman, Jeanne; G. West, Stephen; L. Sheets, Virgil

doi:10.1037/1082-989x.7.1.83

Public

A comparison of methods to test mediation and other intervening variable effects.

Published in Psychological Methods • Jan 1, 2002

Authors:

David P. MacKinnon

Chondra M. Lockwood

Jeanne M. Hoffman

Abstract

A Monte Carlo study compared 14 methods to test the statistical significance of the intervening variable effect. An intervening variable (mediator) transmits the effect of an independent variable to a dependent variable. The commonly used R. M. Baron and D. A. Kenny (1986) approach has low statistic...

Subject

Type I and type II errors

Statistics

Statistical significance

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