A Few Years Ago Psychologist Ruth W. Berenda And ...  PRO

A few years ago psychologist Ruth W. Berenda and her associates carried out an interesting experiment with teenagers designed to show how a person handled group pressure. The plan was simple. They brought groups of ten adolescents into a room for a test.

Subsequently, each group of ten was instructed to raise their hands when the teacher pointed to the longest line on three separate charts. What one person in the group did not know was that nine of the others in the room had been instructed ahead of time to vote for the second-longest line. Regardless of the instructions they heard, once they were all together in the group, the nine were not to vote for the longest line, but rather vote for the next to the longest line. The experiment began with nine teen-agers voting for the wrong line. The stooge would typically glance around, frown in confusion, and slip his hand up with the group. The instructions were repeated and the next card was raised.

Time after time, the self-conscious stooge would sit there saying a short line is longer than a long line, simply...