Levels of abstraction in orangutan (Pongo abelii) categorization.

  title={Levels of abstraction in orangutan (Pongo abelii) categorization.},
  author={Jennifer Vonk and Suzanne E MacDonald},
  journal={Journal of comparative psychology},
  volume={118 1},
Levels of abstraction have rarely been manipulated in studies of natural concept formation in nonhumans. Isolated examples have indicated that animals, relative to humans, may learn concepts at varying levels of abstraction with differential ease. The ability of 6 orangutans (Pongo abelii) of various ages to make natural concept discriminations at 3 levels of abstraction was therefore investigated. The orangutans were rewarded for selecting photos of orangutans instead of humans and other… CONTINUE READING
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Concept learning at different levels of abstraction by pigeons, monkeys, and people

  • W. A. Roberts, D. S. Mazmanian
  • Journal of Experimental Psychology: Animal…
  • 1988
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