Final answer:
Nadine is demonstrating role ambiguity and should seek clarification from her boss to determine her exact responsibilities for the project.
Step-by-step explanation:
True
Role ambiguity refers to the lack of clarity or understanding regarding one's roles and responsibilities in an organization. In this scenario, Nadine is unsure whether she is responsible for the entire project or just the marketing portion. This uncertainty is causing her to hesitate in asking her boss for clarification.
To alleviate role ambiguity, it is important for Nadine to have open and clear communication with her boss. By seeking clarification on her responsibilities, she can better focus on completing the tasks assigned to her and contribute effectively to the project.