Answer:
(Positive) conditions :
A community's broader social norms support intergroup contact.
One-on-one interactions between members of different groups are encouraged.
The different groups have a shared goal.
(Negative) Condition :
One group has a higher status than the other.
Explanation:
The positive conditions would encourage bonding between people, it would create a really good and healthy enviroment.
The negative condition would encourage the rest of the groups to "join" and separate themselves of that group with higher status. It would not reduce prejudice and discrimination.
