Cooperation Between Members of Different Groups Has Been Shown to Be

Cooperation between members of different groups has been shown to be

A) an ineffective way to reduce prejudice, because it increases the tendency to view each other's group in a simplified way.
B) an effective way to reduce prejudice, because it motivates people to be accurate in their understanding of outgroup members.
C) an effective way to reduce prejudice, because it forces people to form impressions when they are cognitively overloaded.
D) an effective way to reduce prejudice only when the contact occurs at the institutional rather than the individual level.