GARY BROWN / SCIENCE PHOTO LIBRARY GARY BROWN / SCIENCE PHOTO LIBRARY
B. F. Skinner (1904-1990). Caricature of the American experimental psychologist Burrhus Frederic Skinner. Skinner conducted numerous psychological experiments, developing his theory of operant conditioning. This elaborated classical theories of conditioning (from Pavlov), that state that a stimulus can act to reinforce behaviour. His work and theories influenced many theories on education of children and adults. Skinner is also known for his book Walden Two (1948), which described a utopian society run on his operant principles.
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