The Following Are Guidelines for Effective Group Functioning

The following are guidelines for effective group functioning. All of them are valid EXCEPT one. Which one?

A) Match the procedure of decision making with the needs of the situation.
B) Members' power should be based on personality characteristics.
C) Make sure that all members are involved in the group's work, and committed to
Implementing the group's decisions.
D) Engage in controversy by disagreeing and challenging each other's
Conclusions.