期刊
SOCIAL INDICATORS RESEARCH
卷 87, 期 3, 页码 367-392出版社
SPRINGER
DOI: 10.1007/s11205-007-9143-1
关键词
mediator; moderator; moderated mediation; mediated moderation; cause and effect; structural equation model; experimental design
Mediation and moderation are two theories for refining and understanding a causal relationship. Empirical investigation of mediators and moderators requires an integrated research design rather than the data analyses driven approach often seen in the literature. This paper described the conceptual foundation, research design, data analysis, as well as inferences involved in a mediation and/or moderation investigation in both experimental and non-experimental (i.e., correlational) contexts. The essential distinctions between the investigation of mediators and moderators were summarized and juxtaposed in an example of a causal relationship between test difficulty and test anxiety. In addition, the more elaborate models, moderated mediation and mediated moderation, the use of structural equation models, and the problems with model misspecification were discussed conceptually.
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