1. CLASSIFICATION OF GROUPS

2. 1 Charles Cooley: Primary group e
1 Charles Cooley: Primary group e.g family, friends, secondary group , e.g social institutions, or social organization 2 Miller & P.A Sorokin : Vertical and horizontal 3 Gidden's: public & private 4 Elwood : sanctioned and unsanctioned 5 Charles Elwood's: voluntary and involuntary 6 Gillin & Gillin: Based on blood relationships, based on physical traits, based on cultural interest.

3. In group
The members in the group will have ‘we’ feeling & a common attitude and treats the group members as one. e.g family, group of friends.
Based on ethnocentrism
People exhibit good behaviour with one another.

4. Out group
People will develop a sort of hatred feeling on a particular group and treat the group completely away from them.

5. Secondary group
Groups are constituted for some specific aims, after achieving the goal the members will not maintain required relations within the group. They are representations are indirect, short and formal. They are representatives of a cold world.
Individuals do not have any interest in the pleasure & pain.
Relations among them are competitive , casual & impersonal.
Demands of person receive segments of their time and attention.

6. Characteristics
Position of a member depends upon their role and status.
Individuality develops in the persons because their relations are based on self – interest.
Self-dependence among members.
Formed for some purpose only. Afterwards no more required.
group people cannot be controlled easily due to large in size.
Lack of stability & personal relationships.
Group form for definite objective, it’s function is not spontaneous.