This article offers a brief and personal account of the historical background, implementation and principal findings from the Trois-Rivieres regional project, a large-scale quasi-experimental intervention that tested the impact of providing a daily hour of specialist-taught quality physical education upon the physical and mental development of…

The study reported here was begun in 1955 by a group of five staff members in the Elementary Schools Section, U. S. Office of Education. The purpose was to find out and report: (1) what research says about children a 9,10, and 11; (2) what educators say about today's children in grades 4, 5, and 6, and (3) some good educational practices for…