The effect of trait differences in ability grouping
By: by Ethel L. Cornell ...
Series: University of the state of New York bulletin ...; no. 981. Oct. 1, 1931
Publisher: The University of the State of New York Press
Published: 1931
Place of publication: Albany
Language: eng
Number of pages: 26
Subjects: Ability; Mental tests; Grading and marking (Students); Ability -- Testing
Notes: "References": p. 26.