An experiment in the measurement of mental deterioration
By: by Harriet Babcock...
Series: Archives of psychology -- no. 117.
Published: 1930
Place of publication: New York
Language: eng
Number of pages: 105
Subjects: Mental efficiency.; Psychological tests.
Other titles: Mental deterioration, An experiment in the measurement of.
Notes: Published also as thesis (Ph.D.) Columbia university.

Bibliography: p. 66-68.