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of 6
pro vyhledávání: '"Mary M Beran"'
Publikováno v:
Primates. 46:255-259
Four chimpanzees (Pan troglodytes) monitored the movement of hidden items in arrays of opaque cups. A chocolate candy was hidden in an array of four cups and temporarily presented paper markers indicated the location of the candy (which otherwise was
Autor:
Mary M. Beran, Michael J. Beran
Publikováno v:
American Journal of Primatology. 63:33-35
Publikováno v:
Journal of experimental psychology. Animal behavior processes. 31(3)
Two chimpanzees and a rhesus macaque rapidly learned the ordinal relations between 5 colors of containers (plastic eggs) when all containers of a given color contained a specific number of identical food items. All 3 animals also performed at high le
Autor:
Mary M. Beran, Michael J. Beran
Publikováno v:
Psychological science. 15(2)
Four chimpanzees were highly accurate in selecting the larger of two concurrent accumulations of bananas in two opaque containers over a span of 20 min. One at a time, bananas were placed into the containers, which were outside the chimpanzees' cages
Autor:
Mary M. Beran
Publikováno v:
Lab Animal. 40:239-240
Autor:
Mary M Beran, Jeffrey D Owens
Publikováno v:
Lab Animal. 36:16-16