Published also as thesis (Ph.D.) Columbia University, 1922.
Bibliography Note
Bibliography: pages 70-71.
Binding notes
With: The influence of incentive and punishment upon reaction-time / Albert Mathew Johanson, 1893- New York: 1922 -- Psychological tests applied to factory workers / Emily Thorp Burr, 1880- New York: 1922 -- A study of the relation of accuracy to speed / Henry Edward Garrett, 1894- New York: 1922 -- An experimental study of hunger in its relation to activity / Tomi Wada, 1896- New York: 1922 -- Individual differences as affected by practice / Georgina Ida Gates, 1896- New York: 1922.