Joseph Jastrow
(January 30, 1863 - January 8, 1944)
American psychologist most known for his work with optical illusions. (See for example The Jastrow Illusion in Magic.)
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Psychological Notes Upon Sleight-of-Hand Experts
Joseph Jastrow
Jastrow wondered if the pursuit of sleight-of-hand conjuring develops any special motor or mental powers. He invited Alexander Hermann and Harry Kellar and put them through a range of tests comparing them to average folks. In this article you will find out how these two giants of conjuring compare to the average.
From the introduction:
Having recently enjoyed visits at my Psychological Laboratory from Messrs. Hermann and Kellar, the widely-known prestidigitators, I put together the results of the series of tests to which they kindly submitted. As the time at my disposal for these tests was limited,...
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The Psychology of Deception
Joseph Jastrow
Jastrow explains the various types of deception and discusses in particular how conjurers as well as spirit mediums make use of them.
1st edition 1888, PDF 10 pages.
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