collective behavior

Japanese: collective behavior（英語表記）collectivebehavior

...A collective expectation pattern that acts in response to undefined and unstructured situations. This term was first used in American sociology in the 1920s, especially by RE Park and EW Burgess, and was developed in the 1960s by Neil J. Smelser, Kenneth Keniston, and others. It includes the following: (1) Amorphous and unorganized behavior of relatively densely-packed people, such as crowd behavior in the streets such as parades and demonstrations, panic during disasters, expressive crowd behavior such as religious excitement, and aggressive crowd behavior, (2) A public that is widely scattered but debates and forms public opinion on a certain issue through newspapers and other media, and the movement of that public opinion, (3) Organized social movements such as reform movements and revolutionary movements. ...

From [Panic]

…In economics, it means an economic depression, but in sociology and psychology, a type of collective behavior caused by an unspecified number of people is called a panic. It originates from Pan, the patron god of sheep and cattle in Greek mythology. …

*Some explanations of terms that mention "collective behavior" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…無規定で無構造の状況に対応すべく行動する集合的期待様式。この言葉は1920年代にアメリカ社会学，とくにR.E.パーク，E.W.バージェスらによってはじめて使用されるようになり，60年代にスメルサーNeil J.Smelser，ケニストンKenneth Kenistonらによって展開された。次のものを含む。(1)パレードやデモなどの街頭の群集行動，災害時のパニック，宗教的興奮のような表出的な群集行動，攻撃的な群集行動などのように，比較的密集した人々の無定形で未組織の行動，(2)ひろく散在しているが，新聞などを通じて，ある争点をめぐって論争し世論をつくる公衆やその世論の動き，(3)改良運動や革命運動のような組織的社会運動。…