Variations in
Biological Viability on Intelligence
An Investigation into the Effects of Variations in Biological Viability on Intelligence as
Measured by the Stanford-Binet Test.
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better genes--Genes & Intelligence
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The Pioneer Fund, Inc. is a nonprofit foundation, and its purpose is "to conduct or
aid in conducting study and research into the problems of heredity and eugenics in the
human race generally and such study and such research in respect to animals and plants as
may throw light upon heredity in man, and research and study into the problems of human
race betterment with special reference to the people of the United States."