Negative stereotypes about Blacks in the U.S. have declined dramatically since the 1930s -- practically no White person to will say that Blacks are lazy, or superstitious, or many other stereotypes, when these views were common 80 years ago.
Yet huge racial disparities still exist infant mortality, unemployment, and poverty are found more than twice as often among Blacks than Whites, and these numbers haven't changed since the 1960s.
In John Dovidio's talk, "Racism Among the Well-Intentioned, he argued that most Whites who say they're not biased, believe they are not biased. Yet at the same time, they do develop negative feelings towards Blacks and other people of color.
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This applies to all sorts of "-ism's" and probably shares some of the same psychological basis as Silent Racism.
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