Clever Hans
Tags
Summary
Editor's review
Who it's for
A good fit for
- Readers interested in psychological experiments and scientific methodology
- Students of animal behavior and animal cognition
- Popular science readers who enjoy classic cases in the history of science
- Those who need to understand observer effects and unconscious cues
Not a good fit for
- Readers looking for light animal stories or anecdotes
- Professionals expecting a systematic textbook on animal cognition theory
- Beginners unfamiliar with English-language academic writing
Reading tips
- Read the experimental design and results sections first, then return to the event background in the introduction
- While reading, note how the experiments ruled out unconscious cues from the questioner
- Compare with contemporary animal cognition research to contrast methods and conclusions across a century
- Read alongside works on scientific methodology to deepen understanding of experimental control
About the publisher
Project Gutenberg is a digital publishing project focused on public-domain ebooks. Its publishing direction centers on classic literary works whose copyright has expired, covering genres such as poetry, drama, fiction, and epic. Representative books include Lyrical Ballads by Wordsworth and Coleridge, Proust's Du côté de chez Swann, Shakespeare's Macbeth and The Complete Works of William Shakespeare, Homer's The Iliad, Dante's La Divina Comèdia: Purgatòri, Cervantes's The History of Don Quixote, Volume 2, and Grahame's The Wind in the Willows. Its author resources consist mainly of classic Western writers such as Wordsworth, Proust, Shakespeare, Homer, Dante, Cervantes, Grahame, and Tolstoy. Its publishing feature is the provision of freely accessible ebooks in EPUB and Kindle formats; it is not a traditional publisher, and publicly available information is limited.
Contents
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FAQ
Could Clever Hans really do arithmetic?
Is this book suitable for introductory psychology readers?
What background knowledge is needed to read this book?
Comments
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About the author
Oskar Pfungst (1874–1933) was a German psychologist best known for his research on the "clever" horse Clever Hans, which was said to be able to solve arithmetic problems. Through systematic observation and experiments with the horse, he showed that it was not actually understanding numbers or language but was responding to subtle, unintended movements and expressions of the questioners. This work became a classic case in the history of psychology concerning experimenter effects and inadvertent cues, and it is often cited to illustrate the need for rigorous control of experimental conditions. It also influenced later research on animal behavior and experimental design in psychology. Pfungst's book Clever Hans records the research process and conclusions. Public information is limited, and few details of his life are documented, but through this study he left a lasting influence on psychology and scientific methodology.
