In his book The Anatomy of Human Destructiveness, Erich Fromm posited that psychologists were ignorant of a form of narcissism among these systems. Charles Cooley contrasted "primary" and "secondary" varieties of these systems, the latter of which are more formal and institutional. Conflict at the level of these systems is exacerbated according to the "discontinuity effect." The best-known demonstration of the theory of (*) "realistic conflict" between these systems is Muzafer Sherif's "Robbers' Cave" experiment. Kurt Lewin is best known for founding the study of the "dynamics" of these systems. An article by William 
In his book The Anatomy of Human Destructiveness, Erich Fromm posited that psychologists were ignorant of a form of narcissism among these systems. Charles Cooley contrasted "primary" and "secondary" varieties of these systems, the latter of which are more formal and institutional. Conflict at the level of these systems is exacerbated according to the "discontinuity effect." The best-known demonstration of the theory of (*) "realistic conflict" between these systems is Muzafer Sherif's "Robbers' Cave" experiment. Kurt Lewin is best known for founding the study of the "dynamics" of these systems. An article by William Whyte in Fortune magazine coined a term for "think" at the level of - - for 10 points -- what collections of interacting humans?
In his book The Anatomy of Human Destructiveness, Erich Fromm posited that psychologists were ignorant of a form of narcissism among these systems.
social groups [accept collectives] 