Individual differences in ability and improvement and their correlations.
By: New York, Teachers College, Columbia University, 1914.
Publisher: AMS Press
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 45
Subjects: Psychological tests.; Variability (Psychometrics); Individual differences.
Notes: Bibliography: p. 45.
Reprint of the 1914 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 63.
Originally presented as the author's thesis, Columbia.