REFERENCES
On the importance of self-assertion (and of submission) in will, and on the relation of conduct to impulse and to reasoning, see McDougall's Social Psychology, Chapter IX, on "Volition", and Supplementary Chapter I, on "Theories of Action".
For a practical study of the question, how to secure action, see Walter Dill Scott's Increasing Human Efficiency in Business, 1911.
On hypnotism, see Albert Moll's Hypnotism, translated by A. F. Hopkirk; or James's Chapter XXVII in his Principles of Psychology, 1890.