; (2) in subsection (a)— (A) by striking (a) The Secretary and inserting the following: (a) In general (1) Measuring and evaluating the impact of programs The Secretary ; and (B) by adding at the end the following: (2) Innovation, demonstration, and evaluation within aging programs (A) In general The Secretary shall be responsible for all activities related to demonstration and evaluation of aging programs under this Act. (B) Evaluation activities The Secretary shall review, coordinate, and streamline the evaluation of programs (including demonstration projects) authorized by this Act to ensure enhanced program outcomes. Such activities shall include— (i) overseeing analyses of data obtained in connection with such programs to evaluate, where feasible, the relationship of such programs to— (I) the determinants of health for program participants; and (II) health care expenditures, including under the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq.) and the Medicaid program under title XIX of such Act ( 42 U.S.C. 1396 et seq.); (ii) disseminating the findings from evaluations of programs authorized by this Act throughout the aging network in electronic format and any other format determined appropriate by the Secretary; (iii) publicly posting the findings from evaluations of such programs in an electronic format, including webinar as appropriate; (iv) replicating successful demonstration projects under title IV of this Act, including on a national scale as appropriate