本文在對媒介多工、媒介信息處理有限容量模式和動機—能力—機會模式之 理論、文獻和現象梳理的基礎上，將媒介多工放置在閱聽人-媒介結構化背景中， 以求更清楚地界定媒介多工行為，探究如何透過媒體認知取徑解釋媒介多工行為 的發生，並對該行為進行多層級分析，建立動態整合模式，在實踐中更好地對跨 媒介行為進行觀察，幫助媒介從業者擬訂更合理的媒介匯流策略。

By reviewing literatures and phenomenon on media multitasking, such as LC4MP and MOA model, this paper studies media multitasking amidst the structural background of audience-media, in order to clarify the behavior of media multitasking, and try to explain this behavior via cognitive approach. Taken together, this study supposed a dynamic integrated model to do a multilevel analysis, to examine the trans-media usage in practice, and draw out an appropriate convergence strategy for media industry.