Changes in mental traits with age
Subtitle: determined by annual re-tests.
By: New York, Teachers College, Columbia University, 1921.
Publisher: AMS Press
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 86
Subjects: Age and intelligence.
Notes: Bibliography: p. [85]-86.
Reprint of the 1921 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 116.
Originally presented as the author's thesis, Columbia.