Final answer:
The marketing manager took on an interpersonal role as a liaison by connecting the marketing department with the research and development department.
Step-by-step explanation:
The marketing manager took on an interpersonal role as a liaison.
- Liaison: In this role, the marketing manager acts as a bridge between different departments or individuals within the organization. They facilitate communication, exchange information, and help coordinate activities.
In the given scenario, the marketing manager is meeting with the research and development department to explain the need for a package design change. By doing so, the marketing manager is acting as a liaison by connecting the marketing department with the research and development department.