; (2) identify evidence-based and promising practices used by PROMISE Coordinating Councils under PROMISE Implementation grants that have proven to be effective in preventing involvement in, or diverting further involvement in, juvenile delinquency or criminal street gang activity; and (3) ensure— (A) that such evaluation is based on the performance standards that are developed by the PROMISE Advisory Panel in accordance with section 223(g) of the Juvenile Justice and Delinquency Prevention Act of 1974 (as added by section 101(b) of this Act); (B) the development of longitudinal and clinical trial evaluation and performance measurements with regard to the evidence-based and promising practices funded under this title