Cialdini raamat
valry. The boys soon began to demean the qualities and accomplishments of the
other group; however, these forms of hostility were minor compared to what oc-
curred when the experimenters purposely introduced competitive activities into
the groups' meetings with one another. Cabin-against-cabin treasure hunts, tugs-
of-war, and athletic contests produced name-calling and confrontations. During
the competitions, members of the opposing team were labeled "cheaters," "sneaks,"
and "stinkers." Afterward, cabins were raided, rival banners were stolen and burned,
threatening signs were posted, and lunchroom scuffles were commonplace.
At this point, it was evident to Sherif that the recipe for disharmony was quick
and easy: just separate the participants into groups and let them sit for a while in
their own juices. Then mix together over the flame of continued competition. And
there you have it: Cross-group hatred at a rolling boil.