Changes in mental traits with age determined by annual re-tests
Subtitle: y 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 city
Language: eng
Number of pages: 86
Subjects: Intelligence tests.; Age (Psychology)
Notes: Includes tables.

Published also as thesis (Ph. D.)--Columbia university, 1921.

Bibliography: p. [85] - 86.