Answer:
Inspire, Encourage, Motivate, Pay attention, Stay focused, etc. these are some of the ways.
Explanation:
Some effective methods should be adopted by Christopher to enhance group brainstorming to generate creative ideas for any project, are:
1. He should try to inspire brainstormers by different means.
2. He should always appreciate to every individual or group approaches.
3. He should always pay attention to everyone's ideas.
4. Try to communicate with each individual as to know more about their hobby.
5. He should more encourage people to exchange their ideas by means of writing or computers.
6. Promote & motivate team members to speak and listen to each other.
7. For group brainstorming, heterogeneous groups appear more useful.