Answer:
Pluralist frame of reference.
Step-by-step explanation:
'Pluralist frame of reference' is demonstrated as the frame that lays emphasis on collective/collaborative approach which asserts that the conflicts could be resolved through establishing compromises between the individuals or classes. This frame lays emphasis on unitarist and collaborative organizational communication.
As per the question, Demetrius' conclusion that 'conflicts may turn productive' reflect the 'pluralist frame of reference' in organizational communication as it teaches the group people to act collaboratively that promotes enhanced understanding, more effective decision-making and clear leadership. Thus, 'pluralist frame of reference' is the correct answer.