可惜我不懂

只懂一点，还没涉及到中介中介变量的调节。。。。。。。。。。。。。。。。。

报告斑竹,在SME中,可以通过比较各个嵌套模型的拟合优度指数来确定,需要建立多个竞争模型,然后比较,看哪个模型最优秀,从而看出是否存在中介效应.

1# lihoujian
一篇重要的参考文献

Behavior Research Methods
2008, 40 (3), 879-891
doi: 10.3758/BRM.40.3.879


Asymptotic and resampling strategies
for assessing and comparing indirect effects
in multiple mediator models


Kristopher J. Preacher
University of Kansas, Lawrence, Kansas
and
Andrew F. Hayes
Ohio State University, Columbus, Ohio


Hypotheses involving mediation are common in the behavioral sciences. Mediation exists when a predictor
affects a dependent variable indirectly through at least one intervening variable, or mediator. Methods to assess
mediation involving multiple simultaneous mediators have received little attention in the methodological literature
despite a clear need. We provide an overview of simple and multiple mediation and explore three approaches
that can be used to investigate indirect processes, as well as methods for contrasting two or more mediators
within a single model. We present an illustrative example, assessing and contrasting potential mediators of the
relationship between the helpfulness of socialization agents and job satisfaction. We also provide SAS and SPSS
macros, as well as Mplus and LISREL syntax, to facilitate the use of these methods in applications.

使用sem好像有很多地方都可以解决这问题，多组群分析也行啊，或者改变分析路径，估计也能部分解决哦