Exploring the “Fourth Drawback”: Overlap Between Mediator and Criterion in Mediation Analysis

IF 3 3区 心理学 Q2 MANAGEMENT
Norbert L. Kerr
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引用次数: 0

Abstract

In mediation analyses, several assumptions are routinely made. One such assumption is that the mediator and criterion variables are distinct, and not essentially the same variable with overlapping content. When this assumption is strongly violated, traditional mediation analysis is likely to falsely indicate that mediation has occurred. Spencer et al. refer to this as the “fourth drawback” of mediation analysis. It is argued here that this fourth drawback is not confined to cases of nearly complete overlap between mediator and criterion; mediation may often be falsely inferred when such overlap is partial. The results of a series of simulation studies are reported that corroborate this conclusion. Some potential responses to the risks of the fourth drawback are discussed.
探索 "第四缺点":调解分析中调解人与标准的重叠
在中介分析中,通常会有几个假设。其中一个假设是,中介变量和标准变量是不同的,而不是内容重叠的基本相同的变量。当这一假设被严重违反时,传统的中介分析很可能会错误地表明中介作用已经发生。斯宾塞等人将此称为中介分析的 "第四个缺点"。本文认为,第四个缺点并不局限于调解人和标准之间几乎完全重叠的情况;当这种重叠是部分重叠时,往往会错误地推断出调解。报告中一系列模拟研究的结果证实了这一结论。本文还讨论了应对第四个缺点风险的一些潜在措施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
6.70
自引率
5.40%
发文量
37
期刊介绍: Policy: Small Group Research is an international and interdisciplinary journal presenting research, theoretical advancements, and empirically supported applications with respect to all types of small groups. Through advancing the systematic study of small groups, this journal seeks to increase communication among all who are professionally interested in group phenomena.
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