Methodologies for evaluating and selecting policies that contribute to the well-being of diverse populations need clarification. To bridge the gap between objective indicators and policies related to well-being, this study shifts from constitutive pluralism based on objective indicators to conceptual pluralism that emphasizes subjective context, develops from subject-object pluralism through individual-group pluralism to WE pluralism, and presents a new policy evaluation method that combines joint fact-finding based on policy plurality. First, to evaluate policies involving diverse stakeholders, I develop from individual subjectivity-objectivity to individual subjectivity and group intersubjectivity, and then move to a narrow-wide WE pluralism in the gradation of I-family-community-municipality-nation-world. Additionally, by referring to some functional forms of well-being, I formulate the dependence of well-being on narrow-wide WE. Finally, given that policies themselves have a plurality of social, ecological, and economic values, I define a set of policies for each of the narrow-wide WE and consider a mapping between the two to provide an evaluation basis. Furthermore, by combining well-being and joint fact-finding on the narrow-wide WE consensus, the policy evaluation method is formulated. The fact-value combined parameter system, combined policy-making approach, and combined impact evaluation are disclosed as examples of implementation. This paper contributes to the realization of a well-being society by bridging philosophical theory and policies based on WE pluralism and presenting a new method of policy evaluation based on subjective context and consensus building.

翻译：评估和选择促进多元人群福祉的政策方法需要进一步明晰。为弥合客观指标与福祉相关政策之间的鸿沟，本研究从基于客观指标的构成性多元主义转向强调主观情境的概念性多元主义，通过主客体多元主义、个体-群体多元主义发展到WE多元主义，并提出一种结合基于政策多元性的联合事实调查的新政策评估方法。首先，为评估涉及多元利益相关者的政策，我从个体主体性-客观性发展到个体主体性与群体主体间性，进而过渡到个体-家庭-社区-城市-国家-世界层级中的狭义-广义WE多元主义。此外，通过参考福祉的若干函数形式，我构建了福祉对狭义-广义WE的依赖性模型。最后，鉴于政策本身具有社会、生态和经济价值的多元性，我为每个狭义-广义WE层级的政策集合进行界定，并考虑两者之间的映射关系以提供评估基础。进一步地，通过结合福祉与狭义-广义WE共识的联合事实调查，制定了政策评估方法。本文以实施案例形式揭示了事实-价值结合参数体系、结合政策制定方法与结合影响评估。本研究通过衔接基于WE多元主义的哲学理论与政策，并提出基于主观情境和共识构建的新政策评估方法，为福祉社会的实现作出贡献。