First, although the familiarity produced by contact usually leads to greater liking, the opposite occurs if the contact carries distasteful or threatening experiences with it. Therefore, when children of different racial groups are thrown into the incessant, harsh competition of the standard American classroom, we ought to—and do—see hostilities worsen. Second, the evidence that team-oriented learning is an antidote to this disorder tells us about the heavy impact of cooperation on the liking process.