Yielding to group pressure, or the influence a group has over an individual. While most people see themselves as autonomous, they still tend to conform to social norms which can be explicit (e.g signs) or implicit (e.g not standing too close)
How did Mori and Arai overcome the issue of how convincing the confederates were?
.Only used true Participants, wearing glasses with polarising filters. 3 wore identical glasses and a 4th saw different lines through different glasses