Answer:
1. You need to responsible.
2. You need to be friendly with all the members in the group. ( Because friendly and kindness makes the group better, and team work will also be good )
3. If any members in your group makes errors / mistake, don't scold, tell them the way to correct, so the next, they will avoid that mistake.
4. Get ideas from all members in a group.
5. Give each member of the group a chance to be a group leader.
Explanation:
( I answered on my own, I didn't refer G00gle )