Clever Hans (The Horse of Mr. Von Osten) A contribution to experimental animal and human psychology

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"Clever Hans (The Horse of Mr. Von Osten)" by Oskar Pfungst is a scientific publication written in the early 20th century. This work explores the famous case of a horse named Hans who allegedly demonstrated remarkable intelligence by solving complex mathematical problems and answering questions by tapping his hoof. Pfungst investigates Hans's abilities, aiming to determine whether these feats indicate a form of animal consciousness or are the result of unintentional cues from his trainers. The opening of the book introduces the background of Clever Hans, a horse claimed to have the ability to solve arithmetic problems, much to the amazement of onlookers and scientific observers. The narrative delves into the initial beliefs surrounding Hans's cognitive abilities, recounting various public exhibitions where he appeared to exhibit extraordinary skills in counting and answering questions. However, the introduction hints at a deeper inquiry into the methods of investigation and the skepticism arising from the extraordinary claims, setting the stage for experimental analysis that questions the nature of Hans's supposed intelligence.