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

Group means three or more people work together to finish a task and they have the common goal,purpose.

b.Discribe the detailed characterictics of the groups.

1.Interdependence. The mutual dependence of group members on one another.

2.Common Goal.The driving force that brings people together to form is a common goal.

3.Group Personality.When people come together in a group, they form a collective identity that becomes the group personality.

4.Commitment.Commitment (投入) is the desire of group members to work together to complete their task to the satisfaction of the entire group.

5.Cohesiveness.Cohesiveness(内聚), an extension of commitment, is the attraction that group members feel for each other and their willingness to stick together.

6.Group Conflict.The truth of the matter is that whenever people come together in any communicative context there is bound to be conflict of some sort.

7.Social Facilitation.The tendency for a person to release energy that would not be released if the individual were acting alone is called social facilitation(促进).

8.Gender Differences

9.Group Size

10.Norms.Norms are the expected and shared ways in which group members behave.

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

1.Clear objectives and what the members talk about should be related to the topic and goals

2.Relatedness. make sure that contributions tie in with what has been said before and what is apt to be said next.

3.introduce a good idea at a favorable time

4.when you make a comment,to make sure that the comment you contribute is long enough to make your point.

5.when you say something, show the ideas clearly to make other people understand what you say easily.

6.when you say something ,make sure that what we say are accurate. so we should make a full preparation and do prior research.