1. Please select and focus your response only on one of the following large-scale change scenarios. As an executive, you have been tasked with designing a change strategy for implementation. Please select a proper change management model and explain how you plan to facilitate and implement the change. Please be sure to capture potential barriers to change as part of the process.

Scenario 1: An employer-imposed COVID-19 vaccine: Due to increasing pressures from your firm's customers and some government agencies, the board of executives has decided to mandate COVID-19 vaccination for all employees who possess highly mixed opinions regarding this decision.

Scenario 2: Your company has decided to adopt a large-scale Chatbot system to foster efficiency and cost-savings. The CEO strongly believes that this digital transformation will generate great value and enhance the company's performance in multiple areas. Employees will have to adapt to the new system, but many have concerns, such as the possibility of losing their jobs, difficult trainings, etc.