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<P>Originally issued in 1954 and updated in 1961 and 1987, this pioneering study of «small group» conflict and cooperation has long been out-of-print. It is now available, in cloth and paper, with a new introduction by Donald Campbell, and a new postscript by O.J. Harvey.</P><P>In this famous experiment, one of the earliest in inter-group relationships, two dozen twelve-year-old boys in summer camp were formed into two groups, the Rattlers and the Eagles, and induced first to become militantly ethnocentric, then intensely cooperative. Friction and stereotyping were stimulated by a tug-of-war, by frustrations perceived to be caused by the «out» group, and by separation from the others. Harmony was stimulated by close contact between previously hostile groups and by the introduction of goals that neither group could meet alone. The experiment demonstrated that conflict and enmity between groups can be transformed into cooperation and vice versa and that circumstances, goals, and external manipulation can alter behavior.</P><P>Some have seen the findings of the experiment as having implications for reduction of hostility among racial and ethnic groups and among nations, while recognizing the difficulty of control of larger groups.</P>


Traite de physique experimentale et mathematique. T. 1 Traite de physique experimentale et mathematique. T. 1

Автор: Jean Baptiste Biot

Год издания: 

Примечание: Трактат по экспериментальной физике и математике.


Traite de physique experimentale et mathematique. T. 2 Traite de physique experimentale et mathematique. T. 2

Автор: Jean Baptiste Biot

Год издания: 

Примечание: Трактат по экспериментальной физике и математике.


Specimen beccherinum, siftens fundamenta, documenta, experimenta, quibus Specimen beccherinum, siftens fundamenta, documenta, experimenta, quibus

Автор: Georg Ernestus Stahl

Год издания: 

Полный вариант заголовка: «Specimen beccherinum, siftens fundamenta, documenta, experimenta, quibus : principia mixtionis subterraneae, & inftrumenta naturalia, atque articialia demonftrantur / ex autoris scriptis, colligendo, corrigendo,connectendo, supplendo, concinnatum, exhibet Georg. Ernestus Stahl».


Mistake of Gods. Warning against experiments with human genome Mistake of Gods. Warning against experiments with human genome

Автор: Valeriy Zhiglov

Год издания: 

This is a science education book that discloses the age and the origins of the human civilization. It reveals the most mysterious and the most unknowable – aliens, visiting the ancient Earth, and their amazing genetic experiments, which they carried out here. Based on multiple evidences, the author describes the significant difference between Celestials and ordinary Earth humans in every detail, and possible reasons to have the humans destroyed with the Flood are also listed.


The Great Keinplatz Experiment and Other Tales of Twilight and the Unseen The Great Keinplatz Experiment and Other Tales of Twilight and the Unseen

Автор: Артур Конан Дойл

Год издания: