Research the following change models:

Research the following change models:

1. Lewin's Change Management Model (3 Step)
2. McKinsey 7-S Model
3. Kotter's 8 Step Change Model

Prepare a research paper that explains how each of these change models function. 

Describe the strengths and weaknesses of each.

Discuss why people and organizations resist change?  

Explain the difficulty of changing culture in an organization and how this differs from other types of change.