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Oskar Pfungst
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Clever Hans (The Horse of Mr. Von Osten): A contribution to experimental animal and human psychology Clever Hans (The horse of Mr. Von Osten): A contribution to experimental animal and human psychology Evaluare: 0 din 5 stele0 evaluăriClever Hans (The Horse of Mr. Von Osten): A contribution to experimental animal and human psychology Evaluare: 0 din 5 stele0 evaluări