In the popular imagination and in conventional discourse — especially in the context of highly charged news events such as the shooting of Trayvon Martin — prejudice is all about hatred and animosity.

Scientists agree there’s little doubt that hate-filled racism is real, but a growing body of social science research suggests that racial disparities and other biased outcomes in the criminal justice system, in medicine and in professional settings can be explained by unconscious attitudes and stereotypes.

Subtle biases are linked to police cadets being more likely to shoot unarmed black men than they are unarmed white men. (Some academics have also linked the research into unconscious bias to the Trayvon Martin case.)

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Source: www.npr.org