Origins of Psychometry
Johan Jacob de Jaager, student of F.C. Donders,
on reaction time & mental processes (1865)

By Johan J. de Jaager; Translated from the Dutch and edited by J. Brozek & M.S. Sibinga
May 1970. Reprint of the 1865 edition.
HES & DE GRAAF Publishers
ISBN: 9060042557
150 Pages, Illustrated
$212.00 Hardcover

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Psychology; History of Science
Dutch Classics on History of Science, Vol. XVII

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