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Asch, S. E. (1952). Group forces in the modification and distortion of judgments. In S. E. Asch, Social psychology (pp. 450–501).

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Empirical study

Individuals

In general

Behaviour - aberrant

The classic study of effects of group pressure in which subjects were shown lines of clearly different length. Some subjects in these groups however were required to give false answers that they were the same. About 30% of the test subjects (who were in ignorance of this collusion) followed group pressure and agreed with the false opinions of the majority.Although Asch's original study population were male USA college students, and from an era of very different socio-poltical conditions,similar results have been found in different countries, and cultures.

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