proven effectiveness
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 3791 — as used in this chapter
“proven effectiveness” means that a program, project, approach, or practice has been shown by analysis of performance and results to make a significant contribution to the accomplishment of the objectives for which it was undertaken or to have a significant effect in improving the condition or problem it was undertaken to address;