proven effectiveness
Defined in 2 places across 2 titles — 1 distinct definitions of the United States Code.
"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;
Same definition in 2 sections
- 2017–present34 U.S.C. § 10251Crime Control and Law Enforcement · General provisions · as used in this chapter
- 1994–present42 U.S.C. § 3791The Public Health and Welfare · General provisions · as used in this chapter