Changes in mental traits with age
Subtitle: determined by annual re-tests
By: by Fowler Dell Brooks.
Series: Teachers college, Columbia university. Contributions to education, no. 116; Contributions to education -- no. 116.
Publisher: Teachers College, Columbia University
Published: 1921
Place of publication: New York
Language: eng
Number of pages: 86
Subjects: Psychological tests
Notes: Published also as thesis (Ph.D.) Columbia university, 1921.

Bibliography: p. [85]-86.