The Major Feature of Jigsaw Groups That Aronson Believes Accounts

The major feature of jigsaw groups that Aronson believes accounts for their success in reducing the negative effects of prejudice is:

A) lack of competition among children.
B) the necessity of depending on all group members for vital information.
C) the forbidding of any teasing or abuse of minority children.
D) the breaking down of a large, formal classroom into small, informal groups so the children get a chance to know each other.