PROSCI/ADKAR
Prosci (short for "Professional Scientists" - read more on their website) is the world's leading research company in change management. Since 1998, they have conducted extensive studies on change work with over 4,500 participants.
As one of many results from their research work, they have launched the ADKAR model, which summarizes the steps an individual goes through on their way to sustainable change, but which can also be applied to the various phases of a change work.
From Wikipedia:
The Prosci ADKAR Model is an individual change framework created by Jeff Hiatt. ADKAR is an acronym that represents the five building blocks of successful change for an individual:
- Awareness of the need for change
- Desire to participate and support in the change
- Knowledge of what to do during and after the change
- Ability to realize or implement the change as required
- Reinforcement to ensure the results of a change continue
The ADKAR Model is prescriptive and goal-oriented, each milestone must be achieved to define success. It uses a 1 - 5 scale to determine how strongly an individual meets the requirements of each milestone. If a person scores a three or below, that specific step must be addressed before moving forward, Prosci defines this as a barrier point.
From the Prosci web site:
Understanding change as a process
Fundamental to the ADKAR Model is this: Change occurs as a process, not an event. And it can be difficult and complex to understand. Breaking down change into distinct elements helps us understand the process of change and how to manage it. The theory of three distinct phases of change has roots in works from anthropologist Arnold Van Gennep in 1909 to Kurt Lewin in 1948 and William Bridges in 1980.
The three states of change—current state, transition state, and future state—provide a powerful framework for the process-oriented approach of the ADKAR Model. The model clearly establishes how an individual moves through the change process, from their current state to their future state, and provides the insight needed for successful organizational change.

