a.     Give the definition of "Group" in your own words.

A group is composed of a number of people who influence one another, derive mutual satisfaction from one another, have a common purpose, take on roles, are interdependent, and interact face-to-face.

b.     Discribe the detailed characterictics of the groups.

①    Interdependence

②    Common Goal

③    Group Personality

④    Commitment

⑤    Cohesiveness

⑥    Group Conflict

⑦    Social Facilitation

⑧    Gender Differences

⑨    Group Size

⑩    Norms

c.     How to make the group members get into a positive participation during the group communication?

First of all, the team members should be reasonably combined. Secondly, the division of labor within the group should be clear. Then, there should be sufficient time for independent thinking. Finally, certain incentives can be implemented