Scenario: In a project team, one member dominates discussions, another is reluctant to contribute, and a third frequently distracts the group with off-topic comments. The team leader decides to address these issues by clarifying and adjusting roles to ensure more balanced participation and focus. Question: What approach does this scenario illustrate to improve group performance? A) Enforcing a strict hierarchy to reduce discussion time. B) Ignoring role problems to avoid conflict. C) Modifying roles and expectations to address and correct role problems. D) Focusing only on the most productive team members