Trial-and-error, gradual analysis, and sudden reorganization
Subtitle: an experimental study of problem solving
By: by Helen E. Durkin ...
Published: 1937
Place of publication: New York
Language: eng
Number of pages: 85
Subjects: Thought and thinking.
Notes: Bibliography: p. 85.
Thesis (Ph. D.)--Columbia university, 1937.
Vita.
Published also as Archives of psychology, no. 210.