Parrots pass classic test of intelligence

Описание к видео Parrots pass classic test of intelligence

Researchers in Harvard’s Psychology Department conduct a four-cup test on an African grey parrot. Rewards are placed in one cup of each pair, then one cup in a pair is shown to be empty. Successful subjects will then pick the other cup in that pair, understanding that it must hold the reward, and that they have only a 50-50 chance of finding the reward in the other pair.

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