The resemblance of siblings in intelligence and achievement
By: by Gertrude Howell Hildreth ...
Series: Teachers College, Columbia University. Contributions to education,; no. 186; Contributions to education ;; no. 186.
Publisher: Teachers College, Columbia University
Published: 1925
Place of publication: New York City
Language: eng
Number of pages: 65
Subjects: Heredity; Intelligence tests
Notes: Bibliography: p. 64-65.
Published also as thesis (PH. D.) Columbia University, 1925.