It is known that on most tests commonly used to measure intelligence, whites (as a group) tend to score about how many points higher than blacks (as a group)?

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The average difference in intelligence test scores between whites and blacks (as groups) is often reported to be around 15 points. This figure is widely cited in psychological and educational research, though it's important to note that there is considerable debate and research into the causes of this gap, including socioeconomic factors, educational opportunities, and test bias.

It Is Known That on Most Tests Commonly Used to Measure