The Kurt Lewin three-step model change theory, Unfreeze the current behaviours and processes, make the changes you need, then practice and freeze the new behaviours and practices into everyday actions. Introduction to the change model The Kurt Lewin, change theory model, is based around a 3-step process (Unfreeze-Change-Freeze) that provides a high-level approach to improvement. It gives a manager or other change agent a framework to implement a change effort, which is always very sensitive … [Read more...] about Kurt Lewin Change Theory Three Step Model – unfreeze, change, freeze