Which Factor Does Not Contribute to the Outgroup Homogeneity Effect

Which factor does not contribute to the outgroup homogeneity effect?

A) Ingroup members have little information concerning outgroup members.
B) Ingroup members are unlikely to have frequent contact with outgroup members.
C) Ingroup members accurately perceive the lack of diversity within the outgroup.
D) Ingroup members interact with a non-representative sample of outgroup members.