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Hwang and Takane (2004) introduced generalized structured component analysis (GSCA) as an alternative structural equation modeling technique. In a recent JMR article, Hwang et al. (forthcoming) claim to have analyzed the performance of GSCA relative to covariance-based structural equation modeling and partial least squares path modeling. This article shows that these authors have not analyzed GSCA, but a different method, and that the differences between their method and GSCA are not negligible. Hence, their empirical findings regarding GSCA are invalid.

A Comparative Study on Parameter Recovery of Three Approaches to Structural Equation Modeling: A Rejoinder