The relative efficiency of actual and "imaginary" practice in five selected tasks
By: by Horace Mitchell Perry ...
Published: 1939
Place of publication: New York
Language: eng
Number of pages: 76
Subjects: Learning, Psychology of.
Notes: Bibliography: p. 76.
Thesis (Ph. D.)--Columbia university, 1940.
Vita.
Published also as Archives of psychology, no. 243.