The present study proposes a new group analytic hierarchy process (AHP) model, using the notation of structural equation modeling (SEM). It is shown that commonly available computer programs for structural equation modeling, such as CALIS, can be used to estimate the weights of several criteria and alternatives for group AHP models. This method has several important features: (1) Various statistics can be used in order to evaluate these weights. (2) Evaluation of accuracy for weight estimation is possible. (3) Compared to the present group AHP model, the order of mature weights between several alternatives is kept. Therefore, it is concluded that the proposed method has adequate utility.
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