The Eyferth study, conducted by German psychologist Klaus Eyferth, examined the IQs of white and racially-mixed children raised by single mothers in post-World War II West Germany. The mothers of the children studied were white German women, while their fathers were white and black members of the US occupation forces.
The Eyferth study, conducted by German psychologist Klaus Eyferth, examined the IQs of white and racially-mixed children raised by single mothers in post-World War II West Germany. The mothers of the children studied were white German women, while their fathers were white and black members of the US occupation forces.
Source: Wikipedia "Eyferth study" · CC BY-SA 4.0
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