For 10 points, name this experiment in which subjects often gave wrong answers to conform to the "erroneous majority."
Perrin and Spencer's repeat of this experiment in 1980 found only 1 positive result in 396 trials and attributed the 33% success rate in the original to cultural factors. This experiment found a change in outcome when "true partners" and "compromise partners" were introduced. First presented as a chapter of the 1951 book Groups, Leadership, and Men, it was performed on groups of eight, seven of which were the researcher's plants purposely misidentifying which line was the same length as a sample. For 10 points, name this experiment in which subjects often gave wrong answers to conform to the "erroneous majority."
Perrin and Spencer's repeat of this experiment in 1980 found only 1 positive result in 396 trials and attributed the 33% success rate in the original to cultural factors.
{Asch} conformity experiment