How to overcome prejudice

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Science  08 Apr 2016:
Vol. 352, Issue 6282, pp. 147
DOI: 10.1126/science.aaf5207

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What do social scientists know about reducing prejudice in the world? In short, very little. Of the hundreds of studies on prejudice reduction conducted in recent decades, only ~11% test the causal effect of interventions conducted in the real world (1). Far fewer address prejudice among adults or measure the long-term effects of those interventions (see the figure). The results reported by Broockman and Kalla on page 220 of this issue are therefore particularly important (2). The authors show that a 10-min conversation with voters in South Florida reduced prejudice against transgender people and increased support for transgender rights for at least 3 months.