; (ii) determine that the area or areas in which the program will be conducted have enough potential program participants, and will serve a sufficient number of parents or guardians and their children, so as to allow for the formation of a control group, evaluation results to be adequately powered, and preliminary results of the evaluation to be available within 4 years of the program's implementation; (iii) provide the entity or entities with technical assistance for the program design, including by working with 1 or more entities that are or have been involved in recovery coaching programs that have been rigorously evaluated and shown to increase family reunification and protect children so as to make sure the program conducted under the project adheres closely to the elements and protocol determined to be most effective in such other recovery coaching programs; (iv) assist the entity or entities in securing adequate coaching, treatment, child welfare, court, and other resources needed to successfully conduct the family recovery and reunification program under the project