In this paper, the author developed the idea of the subjective influence diagrams to evalaute subjective judgment. The subjective judgment of a stakeholder is a primary decision making proposition. It involves a basic decision process and the individual attitude of the stakeholder for his decision purpose. The subjective judgment dominates the some finial decisions. A complex decision process may include the subjective judgment. An influence diagram framework is a simplest tool for analyzing subjective judgment process. In the framework, the characters of influence diagrams generate the describing, the analyzing and the evaluating of the subjective judgment. The relationship between the information and the decision, such as independent character between them, is the main issue. Then, utility function is the calculating tool to evaluating the judgment. Based on the evaluation, the stakeholder can make optimal decision. Through the analysis about the decision process and relationship, the building process of the influence diagram identically describes the subjective judgment. Some examples are given to explain the property of subjective judgment and the analysis process.
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