A description and analysis of longitudinal records of development of elementary school children in Ferndale, Michigan
By: by Warren A. Ketcham and Rondeau G. Laffitte.
Contributors: Laffitte, Rondeau G., joint author.
Published: 1950
Place of publication: [Ann Arbor? Michigan
Language: eng
Number of pages: 43
Subjects: Educational tests and measurements.; Ferndale (Mich.) -- Public schools.
Notes: Bibliography:  leaf 43.
"This study was made possible by a grant to the University of Michigan from the United States Department of Health, Education, and Welfare."