Frey and Gaertner, in a Study Involving Prejudice and Helping

Frey and Gaertner, in a study involving prejudice and helping, found that:

A) whites, wishing to look "open-minded," were actually more willing to help a black than a white person
B) whites discriminated against a black person only when such discrimination could be easily rationalized
C) whites and blacks discriminate against each other equally
D) whites discriminated against blacks when their self-esteem was threatened