Books by Leonard Porter Ayres
Total count: 50
The relation of physical defects to school progressDept. of Child Hygiene of the Russell Sage Foundation1909-01-01
Laggards in our schoolsa study of retardation and elimination in city school systemsCharities publication committee1909-01-01
Medical inspection legislationRussell Sage Foundation, Dept. of Child Hygiene1911-01-01
The Binet-Simon measuring scale for intelligence1911-01-01
The relative responsibility of school and society for the over-age child ...publisher not identified1911-01-01
The money cost of repetition versus the money saving through acceleration1912-01-01
A scale for measuring the quality of handwriting of school childrenRussell Sage Foundation. Dept. of Child Hygiene1912-01-01
The measurement of educational processes and productsDivision of Education, Russell Sage Foundation1912-01-01
The relation between entering age and subsequent progress among school children ...Dept. of child hygiene, Russell Sage Foundation1912-01-01
The effect of promotion rates on school efficiencyDivision of Education, Russell Sage Foundation1913-01-01
Some conditions affecting problems of industrial education in 78 American school systemsDivision of education, Russell Sage foundation1914-01-01
The public schools of Springfield, Illinoiseducational section of the Springfield survey conducted under the direction of Leonard P. Ayres, PH. D.Division of education, Russell Sage foundation1914-01-01
Constant and variable occupations and their bearing on problems of vocational educationDivision of Education, Russell Sage Foundation1914-01-01
A scale for measuring the quality of handwriting of adultsDivision of education, Russell Sage foundation1915-01-01
A measuring scale for ability in spelling.Russell Sage Foundation, Div. of Educat.1915-01-01
Child accounting in the public schoolsThe Survey Committee of the Cleveland Foundation1915-01-01
Health work in the public schoolsThe Survey Committee of the Cleveland Foundation1915-01-01
School organization and administrationThe Survey Committee of the Cleveland Foundation1916-01-01
School buildings and equipment.Sur. Comm. of Cleve. Found.1916-01-01
The public library and the public schoolsThe Survey Committee of the Cleveland Foundation1916-01-01
The Cleveland school surveysummary volume.The Survey Committee of the Cleveland Foundation1917-01-01
The war with Germanya statistical summary.Govt. Print. Off.1919-01-01
The Cleveland survey of the administration of criminal justiceThe Cleveland trust company1922-01-01
The nature and status of business researchan address delivered at the eighty-third annual meeting of the American Statistical Association at Pittsburgh, Pa., December, 1921The Cleveland Trust Company1922-01-01
The economics of recoveryThe Macmillan co.1933-01-01