The contribution of practice differences to group variability
By: by Mildred Eckhardt Hamilton ...
Series: Archives of psychology..; no. 278
Published: 1943
Place of publication: New York
Language: eng
Number of pages: 41
Subjects: Difference (Psychology); Ability -- Testing.; Learning, Psychology of.
Notes: "References": p. 40.
Thesis (Ph. D.)--Columbia university, 1943.
Vita.