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https://en.wikipedia.org/wiki/Black_Intelligence_Test_of_Cultural_Homogeneity

The Black Intelligence Test of Cultural Homogeneity, also known as BITCH-100 or The BITCH Test, is an intelligence test created by Robert Williams in 1972 oriented toward the language, attitudes, and life-styles of African Americans.

Out of the 200 students who #!$%@? in the original sample the 100 black students answered 87/100 answers correctly and the whites answered 51/100 questions correctly. In the other samples the results were similar with the