19. The Need to Fit In
If there is one common feeling other than basic needs that humans feel, it is the need to fit in. The Asch experiment was a series of experiments conducted in the 1950s to see if people could resist the temptation to conform to a social group.
The study involved a group of actors placed along with the participant in a room. When asked which the longest line from an image was, all the actors correctly pointed out a line. More often, this made the unsuspecting participant to choose the incorrect line as well.