Structural Equation Modeling/Path Analysis
Structural Equation Modeling/Path Analysis
复制标题
结构方程建模/路径分析
DOI：
--
复制
发表时间：
2001
期刊：
影响因子：
--
通讯作者：
H. Holmsen
中科院分区：
文献类型：
--
作者：
Vider Steen;H. Holmsen
通径分析是用于检验两个或多个变量之间因果关系的统计技术。它基于线性方程系统，由休厄尔·赖特在20世纪30年代首次开发，用于系统发育研究。通径分析在20世纪60年代被社会科学所采用，自20世纪70年代以来在生态文献中被越来越多地使用。在生态学研究中，通径分析主要用于试图理解一组变量之间直接和间接关系的比较优势。通过这种方式，路径分析与其他线性方程模型是独特的：在路径分析中，介导的路径（通过中介变量，即“Y”，在路径X→Y→Z中起作用）可以被检查。路径模型中的路径代表了研究人员的假设，并且永远无法通过统计来检验其方向性。许多文章讨论了通径分析在生态学研究中的应用（参见Shipley 1997,1999和Everitt and Dunn 1991 [Section 14.8]，讨论了该技术在生态学中的应用和误用）。
Path Analysis is the statistical technique used to examine causal relationships between two or more variables. It is based upon a linear equation system and was first developed by Sewall Wright in the 1930s for use in phylogenetic studies. Path Analysis was adopted by the social sciences in the 1960s and has been used with increasing frequency in the ecological literature since the 1970s. In ecological studies, path analysis is used mainly in the attempt to understand comparative strengths of direct and indirect relationships among a set of variables. In this way, path analysis is unique from other linear equation models: In path analysis mediated pathways (those acting through a mediating variable, i.e., “Y,” in the pathway X → Y → Z) can be examined. Pathways in path models represent hypotheses of researchers, and can never be statistically tested for directionality. Numerous articles deal with the use of path analysis in ecological studies (See Shipley 1997, 1999 and Everitt and Dunn 1991 [Section 14.8] for discussion of ecological applications and misuses of the technique).