Teachability grouping; a research study of the rationale, methods, and results of teacher-facilitative grouping.
By: Conducted under a grant from the Cooperative Research Branch, U. S. Office of Education, Project #428, July 1, 1958-February 28, 1961.  Principal investigator:  Herbert A. Thelen, assistants:  Alan Oppenheim [and others
Contributors: Thelen, Herbert Arnold, 1913-
Publisher: Dept. of Education, University of Chicago
Published: 1961
Place of publication: Chicago]
Language: eng
Subjects: Ability grouping in education
Notes: "Written at the Center for Advanced Study in the Behavioral Sciences, with the assistance of the center [and others]"