内容简介：Class 7.Foundation of Group Behavior
§7.1 Defining & Classifying 2 or more individuals,interacting & interdependent,,who have come together to achieve particular objectives.
1.Formal Group
A designated work group defined by the organization’s structure
Command group--A manager & his or her immediate subordinates
Task group--Those working together to complete a job task
Why do people join group?----Security,Status, Self-esteem,Affiliation,Power,Goal Achievement
2.Informal Group
A group that is neither formally structured nor organizationally determined;appears in response to the need for social contract
Interest group-- Those working together to attain a specific objective with which each is concerned
Friendship group--Those brought together because they share one or more common characteristic
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