Problem: Use the scenario to answer questions 3 -5. Julie is a health behavior and education consultant. She has several clients that are large organizations that utilize her services. One of Julie's clients wants to become more effective at implementing a change within its own organization to promote healthy behaviors such as exercise and healthy eating habits. The theory that would be best suited for Julie to use in this situation is: Group of answer choices Diffusion of Innovation Theory. Organizational Development Theory. Interorganizational Relations Theory. Stage Theory of Organizational Change. Need Assignment Help?