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The right change management model depends on what must change and where the main barrier lies. Use ADKAR to understand individual adoption, Kotter to organize leadership and broad mobilization, Lewin to frame a bounded transition, or McKinsey 7-S to diagnose organizational alignment. Start by defining the outcome you need; no model is a universal guarantee of success.
What change management models are for
Change management addresses the people side of change: preparing and supporting people so they can adopt and use a change in their daily work. It complements project and technical delivery; it does not replace them. A new system can be installed on schedule, for example, while employees still lack the knowledge or support to use it effectively.
Models give leaders and practitioners a way to structure the work, ask diagnostic questions, and identify what to monitor. They operate at different levels, so choosing among them is not simply a contest to find one universally best approach. The choice should reflect the desired result, who needs to change, and the obstacle most likely to prevent adoption.
How the main change management models differ
| Model | Main focus | Useful question | Good fit when |
|---|---|---|---|
| Prosci ADKAR | Individual adoption outcomes | Where is an affected person or group getting stuck? | Readiness, capability, adoption barriers, or reinforcement are central. |
| Kotter 8 Steps and current Kotter framing | Leadership, mobilization, and organization-wide change | How will leaders mobilize people, communicate, remove barriers, and sustain momentum? | A broad transformation needs coordinated leadership. Kotter says its original, linear framework for episodic change has evolved toward an iterative approach for constant change. |
| Lewin | A three-stage transition | How will we prepare for, implement, and reinforce a defined change? | A simple structure is useful for a bounded change; a U.S. federal overview describes it as fitting an organization eliciting one change at a time. |
| McKinsey 7-S | Organizational alignment | Do the organization’s key elements support the change together? | The difficulty appears to be misalignment across strategy, structure, systems, shared values, skills, style, and staff. |
| Kübler-Ross Change Curve | Framing possible responses to change | How might people react emotionally to change? | It may help frame discussion of reactions, but the cited comparison guide does not establish it as a complete implementation method. |
ADKAR: diagnose individual adoption
ADKAR names five outcomes an individual needs for change: Awareness of why change is needed, Desire to participate and support it, Knowledge of how to change, Ability to apply the required skills and behaviors, and Reinforcement to sustain the change. If adoption is lagging, the sequence offers a practical way to investigate where support is missing rather than assuming another announcement or training session will fix the problem. See Prosci’s ADKAR methodology.
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Kotter: mobilize broad change
Kotter’s 8 Steps framework is associated with John Kotter’s book Leading Change. Its emphasis is leadership and organization-wide mobilization. Kotter’s current description says the framework has moved from a linear approach designed for episodic change toward an iterative one suited to ongoing change. That makes it important to distinguish the familiar “8 Steps” label from a claim that every organization should follow an inflexible sequence. Read Kotter’s methodology overview.
Lewin: frame a bounded transition
Lewin’s three stages are unfreezing, changing, and refreezing: prepare for a shift, make it, and reinforce the new state. The U.S. federal overview presents the model as a simple fit for handling one change at a time. It can be useful when a team needs a straightforward way to structure a defined transition, rather than a detailed diagnosis of every individual adoption barrier. The descriptions of Lewin, Kotter, and 7-S appear in this U.S. Government Accountability Office overview.
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McKinsey 7-S: look for organizational misalignment
The 7-S framework considers seven connected elements: strategy, structure, systems, shared values, skills, style, and staff. It is an alignment lens: a change may struggle if the strategy calls for one way of working while structures, systems, or skills continue to support another.
Kübler-Ross Change Curve: use with care
Prosci’s comparison guide includes the Change Curve among the methodologies it compares. The available description is not enough to establish its evidence base or recommend it as a complete method for implementing change. Treat it as a possible way to discuss emotional responses, not a substitute for planning adoption, leadership, and operational support. See Prosci’s methodology comparison guide.
How to choose a model for your change
- Define the outcome. State the business or service result in concrete terms before selecting a framework. Prosci recommends defining success at project initiation and tracking measures such as adoption speed, ultimate utilization, proficiency, and organizational KPIs.
- Identify who must change and at what scale. Is the change mainly about individuals learning new work, a team changing its routines, several functions coordinating, or the organization mobilizing around a transformation?
- Diagnose the primary barrier. If people do not understand why the change is needed, or are unwilling to support it, ADKAR can help identify an individual adoption issue. If leaders need to mobilize and coordinate a broad effort, consider Kotter. If the task is to organize a contained transition, Lewin offers a simple frame. If organizational components pull in different directions, use 7-S to examine alignment.
- Assign leadership and support. Identify who owns the change, who sponsors it, and how affected people will get the knowledge and practical ability to work in the new way. Prosci emphasizes active, visible sponsorship, including sponsor participation, coalition building, and communication of support.
- Review progress and adapt. Check whether people are adopting the change and whether the intended organizational outcomes are improving. Completion of communication or training tasks alone does not show that the change is working.
How to measure whether change is working
Measure more than activity. Prosci describes three layers of performance measurement, from whether change-management work is being carried out to whether individuals are adopting the change and whether the organization is achieving its intended results. Its examples include progress on change plans and role activation; individual ADKAR progress; adoption speed, ultimate utilization, and proficiency; and project KPIs. These are Prosci’s recommendations, not a universal measurement standard.
- Change-management performance: Are the planned activities and roles being activated?
- Individual performance: Are affected people gaining the awareness, desire, knowledge, ability, and reinforcement needed?
- Organizational performance: Is the change being used, and are the relevant project or business outcomes moving toward the target?
Connect measures to the change itself. A training attendance count can show participation, but it cannot by itself establish proficiency. Likewise, a completed rollout does not prove that intended users adopted the new process. Select measures that distinguish delivery from real use and results.
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Can you combine change management models?
Yes, if each model has a distinct job. An organization might use Kotter’s leadership and mobilization framing to coordinate a broad transformation, while using ADKAR to identify where particular groups or individuals need more support. It could also use 7-S to examine whether the organization’s systems and structure reinforce the intended change. Prosci says its methodology can be combined with other frameworks; that is the provider’s description, not an independent finding that a particular combination is more effective.
Keep the division of labor clear. A model should help answer a defined question, not become another layer of terminology that teams must complete for its own sake.
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Is there one change management model most used in business?
The available sources do not establish a reliable prevalence ranking. The models also address different needs, so a “most used” answer would not tell you which one fits your challenge. Choose based on the level of change, the barrier to adoption, and the outcomes you need to measure.
What change management cannot do on its own
A framework cannot guarantee that a change will succeed, and the material cited here does not provide an independent, dated head-to-head study establishing that one named model outperforms the others. Prosci’s pages describe its own methods and recommendations; the federal overview summarizes several frameworks but is not a systematic comparative evaluation.
Prosci Chief Innovation Officer Tim Creasey describes change as an opportunity and argues that building change competency helps organizations respond to new conditions. That is a vendor executive’s perspective, not independent evidence of comparative effectiveness. The practical takeaway is to keep the desired outcome visible and update measures or plans when conditions change.
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