Who of the following has said that "crowd is a physically compact organisation of human beings brought into direct, temporary and unorganised contact with one another"?

A group whose members can join as many groups as they like is called:

A. Vertical group

B. Horizontal group

C. Over-lapping group

D. Out group

Which of the following is not the advantage of a primary group?

A. It helps in the development of personality

B. It increase efficiency

C. It develops sense of contentment

D. It helps in the appreciation of view point of the others

Which theory has laid focus on the fact that in a crowd people try to behave in a fashion that social code of conduct is violated?

A. Group Mind Theory

B. Lebon's Theory

C. Freudian Theory

D. None of the above

Which one of the following is a social group?

A. Church

B. Labour union

C. Audience

D. Crowd