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“Mechanical Puzzles Test Ape’s Intelligence” 1932 article Robert Yerkes~Gorillas For Sale
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“Mechanical Puzzles Test Ape’s Intelligence” 1932 article Robert Yerkes~Gorillas:
$15.89
“Mechanical Puzzles Test Ape’s Intelligence” 1932 article Robert Yerkes~Gorillas “Mechanical Puzzles Test Ape’s Intelligence” 1932 article Robert Yerkes~Gorillas Click images to enlarge Description “Mechanical Puzzles Test Ape’s Intelligence”. A look at the testing of Gorillas intelligence, by Robert Yerkes, and how it compares to chimpanzees, orang-utans, and humans.Robert Mearns Yerkes was an American psychologist, ethologist, eugenicist and primatologist best known for his work in intelligence testing and in the field of comparative psychology. He was a pioneer in the study both of human and primate intelligence and of the social behavior of gorillas and chimpanzees. Includes photo of:
- Congo - performing various intelligence tests.
- Bamboo - a gorilla
- Col. Boyd
- Chimpanzee
This is an original 5+ page magazine article from 1932
Pages measure 6 1/2\" x 9\".
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