Rogers and Prentice-Dunn XXXXXXXXXXhad subjects deliver shock to their fellow subjects as part of a biofeedback study. They recorded the amount of shock that the subjects delivered to white...

Rogers and Prentice-Dunn (1981) had subjects deliver shock to their fellow subjects as part of a biofeedback study. They recorded the amount of shock that the subjects delivered to white participants and black participants when the subjects had and had not been insulted by the experimenter. Their results are shown in the accompanying figure. Interpret these results.