In a broader sense it concerns all activities between statessuch as war diplomacy trade and foreign policyas well as relations with and among other international actors such as intergovernmental organisations IGOs. Rogers argues that diffusion is the process by which an innovation is. The Most Commonly Used Behavior Change Theories In Social And Behavior Change Communication Program Behavior Change Theory Behavior Change Communication Theory 02142022 Table of Contents. . Agenda-setting theory was formally developed by Dr. Max McCombs and Dr. Diffusion of innovations is a theory that seeks to explain how why and at what rate new ideas and technology spread. Definition Function Process Examples 423 Horizontal Integration. Agenda setting typically goes through these stages. Solutions are put forward by interested parties both inside and outside of the government. Theory Principles Definition 419. 17 Habermas