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Hard Animal Intelligence

What term did Premack and Woodruff introduce in 1978 for attributing mental states to others?

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Hard Animal Intelligence

Which female bonobo, Kanzi's half-sister, was known for lexigram communication?

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Hard Animal Intelligence

What 1882 book by George Romanes helped name early comparative psychology?

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Hard Animal Intelligence

Who formulated Morgan's Canon for explaining animal behavior?

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Intermediate Animal Intelligence

Which livestock animal has been trained to recognize human faces from photographs?

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