路径模型和PLS 吴喜之基于回归的传统方法的假定 (e.g., multiple regression analysis, discriminant analysis, logistic regression, analysis of variance) a) 简单模型结构: The postulation of a simple model structure (at least in the case of regression-based approaches); b) 变量是可观测的: The assumption that all variables can be considered as observable; c) 所有变量可精确测量: The conjecture that all variables are measured without error, which may limit their applicability in some research situations.为克服第一代基于回归的模型的弱点 Structural equation modeli
