Oversimplified schemas are known as stereotypes. Stereotypes are fixed impressions and exaggerated and preconceived ideas and descriptions about a certain type of person, group or society. Stereotypes are believed about a group for being members of the group. When stereotypes are believed for a long period of time, they become fixed into people's minds. It is difficult to change people's minds or to replace stereotypes with facts.
Children develop stereotypes from very early in their lives.
By age 3, children can recognize people by their race. By the ages of 6 and 7 children begin to develop thoughts based on stereotypes. These thought are independent of prejudice, they are more dependent on knowledge of stereotypes. Decision-making is effected by attitudes influenced by stereotypes. Children are also influenced by attitudes of family, peers and educators.