危机干预话语的论辩修辞机制

危机干预话语是在个体或机构遭到质疑、批判而导致形象受损时所进行的驳斥与自我证当的修辞行动，是作为说服的最关键要素的修辞人格的修护，因而也必然具有论辩的维度。Perelman的论辩思想和古典修辞争议点理论可以在论辩基础、论辩施为过程方面对危机干预和形象修护的话语机制作出更系统更合理的解释。由此整合而成的包含了推定层、争议层和技术层的危机干预话语模型也可用于指导修辞批评，因而具有理论和实践双重意义。危机干预话语的论辩修辞属性也表明了以或然性、情境性和受众性为基本特征的修辞理性在科学理性主导的社会的不可替代性。

The Argumentative and Rhetorical Mechanisms of Crisis Intervention Discourse

Crisis intervention discourse is essentially a kind of rhetorical action full of refutations and self-justifi-cations and typically an initiative to rebuild the eroded ethos w hich is the most important element of persuasion . This means a dimension of argumentation is inherent in the discourse .Perelman’s argumentative notion of per-son-act presumption and the classical stasis theory can serve respectively as the argumentative basis and opera-tional process of crisis intervention ,and can be combined with the techniques of image repair to constitute the three layers of a systematic and reasonable model of crisis management .The model-cum-mechanisms can also be used as a tool of rhetorical criticism ,hence having both theoretical and practical significance .The argumenta-tiveness and rhetoricity of crisis intervention exemplifies the indispensability of rhetorical reason in the era of scientific reason .