; (ii) uses programmatic and control groups that are representative of the type of population served by the program or service that is subject to the study, including by avoiding over-selection of participants who are highly skilled prior to participation for such programmatic group; (iii) uses controls for aggregate shifts that might affect baseline numbers; (iv) does not have problems with attrition of participants from the study; and (v) is conducted in a manner that is consistent with applicable evaluation, data, and privacy standards and practices described in— (I) the guidelines of the Office of Management and Budget entitled Guidelines for Ensuring and Maximizing the Quality, Objectivity, Utility, and Integrity of Information Disseminated by Federal Agencies (67 Fed. Reg. 8452 (February 22, 2002)) (or successor guidelines); and (II) the Foundations for Evidence-Based Policymaking Act of 2018 ( Public Law 115–435 ; 132 Stat. 5529) and the amendments made by that Act. (4) Authorization of appropriations There are authorized to be appropriated to carry out this subsection, such sums as may be necessary for each of the fiscal years 2025 through 2029. . (b) Conforming amendment Section 132(a)(2)(A) of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3172(a)(2)(A) ) is amended by striking 169(c) and inserting 169(d) .