Not arguing stubbornly for your own point but seeking out differing opinions will help groups to
Achieve quality decision making
The correct option is C Achieve quality decision making
In the process of learning and while doing group assignments the partners should never argue stubbornly for a point but should always try to understand each other's point of view. Respecting different views and ideas in a group will help all in understanding the pros and cons of a situation and ultimately aid them in arriving at a better option. Thus, making a qualitative decision.