25.7 MB (2.3 MB compressed)
2449 x 3673 pixels
20.8 x 31.0 cm ⏐ 8.2 x 12.2 in (300dpi)
THE MIRIAM AND IRA D. WALLACH DIVISION OF ART, PRINTS AND PHOTOGRAPHS: PRINT COLLECTION / NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY THE MIRIAM AND IRA D. WALLACH DIVISION OF ART, PRINTS AND PHOTOGRAPHS: PRINT COLLECTION / NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY
Editorial use only.
William James (1842-1910), US psychologist. James stressed the need to study the mind as a useful and functioning part of an organism. After the publication of his ideas in 'Principles of Psychology' (1890), psychology was viewed as an independent science rather than being a branch of philosophy as it had been before. James pioneered the use of experimental psychology. This technique allowed the development of intelligence tests for humans and tests to see how quickly animals learnt to solve problems. James also studied moral and religious beliefs and behaviour.
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