概念投射与人际投射之间动态转换的触发机制

Trigger Mechanisms for the Dynamic Manifestation of Projection across Ideational and Interpersonal Metafunctions

本文从社会认知的角度探讨投射的动态属性以及引发概念投射与人际投射之间转换的触发机制。文章认为，语言使用者既可以通过投射来识解经验，也可以通过投射来实施社会互动；因此，投射随时呈现从概念基块到互动基块之间的转换。这种动态转换的触发机制包括显性和隐性两种，前者涉及到不同意义基块中功能要素的介入程度，后者与附加提问、语篇衔接和语篇类型等有关。

Taking a social cognitive perspective, the paper discusses projection vis-a-vis its dynamic manifestations and the trigger mechanism for its manifestations across ideational and interpersonal metafunctions. It is contended that cross-metafunctional manifestations of projection are determined by the language user＇ s preference for using projection to construe experience or to enact social interaction. Two types of tr/gger mechanisms are identified （i. e. overt mechanism and covert mechanism）. The overt mechanism is realized by the density of functional elements in different meaning bases whereas the other by tagging questions, textual cohesion and text types.