A General Model for Testing Mediation and Moderation Effects

被引：0
作者：
Amanda J. Fairchild
David P. MacKinnon
机构：
[1] University of South Carolina,Department of Psychology
[2] Barnwell College,Research in Prevention Lab, Department of Psychology
[3] Arizona State University,undefined
来源：
Prevention Science | 2009年 / 10卷
关键词：
Mediation; Indirect effect; Moderation; Mediated moderation; Moderated mediation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper describes methods for testing mediation and moderation effects in a dataset, both together and separately. Investigations of this kind are especially valuable in prevention research to obtain information on the process by which a program achieves its effects and whether the program is effective for subgroups of individuals. A general model that simultaneously estimates mediation and moderation effects is presented, and the utility of combining the effects into a single model is described. Possible effects of interest in the model are explained, as are statistical methods to assess these effects. The methods are further illustrated in a hypothetical prevention program example.
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页码：87 / 99
页数：12
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