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John P. Kotter, a pioneer of change management, invented the 8-Step Process for Leading Change. John P. Kotter, the Konosuke Matsushita Professor of Leadership, Emeritus, at the Harvard Business School is considered the most influential expert of change management. [29] He invented the 8-Step Process for Leading Change. It consists of eight stages:
In Leading Change (1996), and subsequently in The Heart of Change (2002), Kotter describes an eight stage model of successful change in which he seeks to support managers to lead change and to understand how people accept, engage with and maintain successful organisational change. The eight stages or steps include the creation of "a sense of ...
Figure 1: Systems Model of Action-Research Process. Lewin's description of the process of change involves three steps: [22] "Unfreezing": Faced with a dilemma or disconfirmation, the individual or group becomes aware of a need to change. "Changing": The situation is diagnosed and new models of behavior are explored and tested.
Models of communication serve various functions. Their simplified presentation helps students and researchers identify the main steps of communication and apply communication-related concepts to real-world cases. [8] [9] The unified picture they provide makes it easier to describe and explain the observed phenomena.
SOSTAC is a marketing model developed by PR Smith in the 1990s [1] [2] [3] and later formalized in his 1998 book Marketing Communications, [1] the subsequent series of SOSTAC Guides to your Perfect Plan (2011) [4] and the SOSTAC Guide to your Perfect Digital Marketing Plan (2020).
The model of communication as constitutive of organizations has origins in the linguistic approach to organizational communication taken in the 1980s. [4] Theorists such as Karl E. Weick [5] were among the first to posit that organizations were not static but inherently comprised by a dynamic process of communicating.
A model of communication is a simplified presentation that aims to give a basic explanation of the process by highlighting its most fundamental characteristics and components. [16] [8] [17] For example, James Watson and Anne Hill see Lasswell's model as a mere questioning device and not as a full model of communication. [10]
The four-sides model (also known as communication square or four-ears model) is a communication model postulated in 1981 by German psychologist Friedemann Schulz von Thun. According to this model every message has four facets though not the same emphasis might be put on each.