Mediation analysis

Mediating variables are prominent in psychological theory and research. A mediating variable transmits the effect of an independent variable on a dependent variable. Differences between mediating variables and confounders, moderators, and covariates are outlined. Statistical methods to assess mediat...

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Bibliographic Details
Published in:Annual review of psychology 2007, Vol.58 (1), p.593-614
Main Authors: MACKINNON, David P, FAIRCHILD, Amanda J, FRITZ, Matthew S
Format: Article
Language:English
Subjects:
Analysis
Analysis of Variance
Biological and medical sciences
Biomedical Research
Causality
Effect Modifier, Epidemiologic
Fundamental and applied biological sciences. Psychology
Humans
Longitudinal Studies
Mathematical Computing
Models, Psychological
Models, Statistical
Psychological Theory
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psychometrics. Statistics. Methodology
Statistical methods
Statistics. Mathematics
Treatment Outcome
Variables
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Description
Summary:Mediating variables are prominent in psychological theory and research. A mediating variable transmits the effect of an independent variable on a dependent variable. Differences between mediating variables and confounders, moderators, and covariates are outlined. Statistical methods to assess mediation and modern comprehensive approaches are described. Future directions for mediation analysis are discussed.
ISSN:0066-4308
1545-2085
DOI:10.1146/annurev.psych.58.110405.085542