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IQ and Race: A Discussion of Some Confusions

Much has been written recently about possible genetically based racial differences in intelligence. ' The current outbreak of controversy stems from the paper by Arthur R. Jensen in the Harvard Educational Review arguing that the evidence points to the conclusion that blacks are genetically less intelligent than whites. William Shockley has taken up the same theme, and Richard Herrnstein gave the argument a twist. The latter argues that we have to a large extent become and are increasingly becoming a society where the higher-income groups are genetically superior in intelligence and where the blacks of the inner city constitute a "low-capacity residue." The publication of these views has caused a furor in the universities; it has led to protests, disruption of classrooms, and resolutions in professional societies condemning these