Origins of psychometry : Johan Jacob de Jaager, student of F. C. Donders on Reaction time and mental processes (1865) / translated and edited by Josef Brožek and Maarten S. Sibinga ; with a complete facsim. of the original Dutch text.

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Sibinga, Maarten S.

Works from the collections

Origins of psychometry : Johan Jacob de Jaager, student of F. C. Donders on Reaction time and mental processes (1865) / translated and edited by Josef Brožek and Maarten S. Sibinga ; with a complete facsim. of the original Dutch text.