全因果通径模型中主要因素的决策方法

The Decision Method about the Main Factor in Path Model of Causality

对于自变量之间呈因果关系的通径模型,分析了经典方法在决策主要因素时的优缺点;提出了比较总效应和总决定程度的新方法,并以实例进行了印证。

By the path model presenting the causality within independent variables, the paper analyzed the merit and demerit of classic method when deciding main factor. This method, comparing total of effect and totally decided level, is confirmed in theory and practice.