Lewin's Change Model
Lewin's Change Model describes organizational change in three phases. Lewin explains the change using the words unfreeze, move, and refreeze. He focuses on the change process and what occurs in each stage.
Psychologist Kurt Lewin proposed one of the first models of change. Lewin's change model shows organizational change occurring in three phases (see Exhibit 10.8).
Exhibit 10.8 Summary of Kurt Lewin's Change Model
First, an organization must be "unfrozen" in that existing norms, routines, and practices need to be disrupted. This can be done in several ways. For example, structural changes that cause a disruption in the system can be introduced to the organization. Similarly, the introduction of a new technology or policy can cause an organization to "unfreeze". Whatever the cause, unfreezing sets the stage for change.
Next, changes are introduced in the organization to shift the system to a new state or reality. Typically, people react to moments of disorder by creating a new form of order. As changes are introduced, managers might provide a number of interventions that help people adjust to the new norms of reality they are facing. For example, they might require employees to go through a training program, or they might hold discussion sessions or town-hall meetings with people talk about the changes and troubleshoot. The intent of this phase is to help people adjust to the expected change.
The final phase is to "refreeze" the organization. That is, leaders of the organization reinforce the new norms or practices that should accompany the change. They might adjust the resources, policies, and routines to fit the new expected norms.
Lewin's model explains a very basic process that accompanies most organizational changes. That is, many people prefer a stable, predictable organization, and they become accustomed to the routines that exist in their organizational environment. For this reason, common routines and behaviors need to be disrupted. When past routines and behaviors are no longer available, people naturally adjust. As they react to a new reality, they establish new routines and patterns of behavior.
However, Lewin's model is most understandable when we assume that an organization is generally stable unless otherwise acted upon. That is, this model seems to fit in organizations in which any change is likely to last for a long period of time. Such a stable organizational context is increasingly rare in contemporary society.
Still, Lewin's model really describes a basic pattern of change that plays out in all organizational systems: stability gives way to instability, something shifts in the system, then stability emerges once again. An understanding of this pattern can be viewed through either deficit-based or abundance-based lenses, and it applies in either top-down or bottom-up approaches.
Source: OpenStax, https://openstax.org/books/principles-management/pages/10-3-managing-change
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