Steps 14 and 15 constitute the last phase of the PICS model. They consist of freezing the improvements and gains and integrating and expanding the initiative, respectively. These two sets of activities are meant to secure the initiative as the organization's way of life. This is what Jack Welch calls embedding in the company's DNA.

Step 14: Freezing the Improvements and Gains

Kurt Lewin's Force Field Model and his Three-Step Model of Permanent Social Change are powerful tools to analyze and drive change in large social systems (see Figures 8 and 9). They remain our preferred means of doing so. Such changes are difficult to introduce and sustain without positive driving forces such as the organization's reward system and leadership support. ...

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