A Young Manager Heads a Team of 13 Members Who

A young manager heads a team of 13 members who work together on a technical project. He finds that his team is not able to generate creative ideas lately. According to Brown and Paulus (2002) , which of the following should he adopt to enhance group brainstorming in this scenario?

A) Admonish brainstormers "not to criticize."
B) Motivate brainstormers to speak and listen to one another.
C) Encourage group members to express their differences verbally.
D) Have group members interact by writing.