Mr. belding wants to reduce prejudice toward incoming minority students at his elementary school. before the minority students arrive, mr. belding puts up posters showing children of all nationalities holding hands. next, he plans a scavenger hunt in which incoming students are mixed with current students and divided into small groups. each student receives a secret clue critical to his or her group’s success in finding the treasure. mr. belding’s actions reflect his understanding of a) priming effects b) social identity theory c) social role theory d) the contact hypothesis