Er-rafiy & Brauer, 2013, Experiment 4: Emphasizing diversity on posters in classrooms decreased prejudice and negative sterotypes towards Arabs among French undergraduates
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Summary:
Twenty-four classes at Clermont University, France were randomly assigned to display one of four posters over a week: (1) a poster emphasizing the diversity among Arabs (see Er-rafiy & Brauer, 2013, Experiment 3), (2) a government poster depicting a single Arab person urging people not to stereotype Arabs, (3) a poster displaying the same Arab faces as (1) but without the statements depicting heterogeneous characteristics and replacing the slogan with “Discrimination…STOP!!!”, or (4) a control poster urging people to eat more fruit and vegetables. The week after the posters were removed, undergraduate students attending classes in the classroom with the poster emphasizing diversity among Arabs, as compared to the three other conditions, (1) reported seeing Arabs as more variable; (2) showed less prejudice, as assessed by the Modern Racism Scale; (3) endorsed negative stereotypes of Arabs less; and (4) were more likely to be willing to help an Arab interest group (58.8% were, versus 24.8%-34.7% in the comparison conditions) and were willing to devote more time to this group.