The document discusses different forms of collective behavior including crowds, riots, mobs, and orgies. It describes crowds as casual, conventional, or acting depending on their level of interaction and organization. Riot refers to a violent disturbance by a crowd while a mob is a large, disorderly crowd intent on trouble or violence. Expressive crowds form around emotionally charged activities allowing inappropriate behaviors. Hysteria and panic are also mentioned as forms of collective behavior.

1. Collective Behavior

2. Forms of Collective Behavior
Crowd

3. Types of Crowd
 Casual crowd – least interaction, least organized, most
temporary.

4.  Conventional crowd – little interaction, but highly structured,
rules for behaviour, usually gathered for a common purposes.

5.  Acting crowd – violent, emotions are more intense, particular
target, violates established norms.

6. Other Forms of Crowd
 Riot - violent disturbance of the peace by a crowd.

7.  Mob - large crowd of people, especially one that is disorderly
and intent on causing trouble or violence.

8.  Orgy - is an overindulgence in something or a wild
party, especially one where multiple people engage
in sexual behavior.

9.  Expressive crowd – Forms around emotionally charged
activities, behaviours would be considered inappropriate in
other times.

10. Hysteria and Panic