; (2) carry out a national noise control research program to assess the impacts of noise from varied noise sources on mental and physical health; (3) carry out a national noise environmental assessment program— (A) to identify trends in noise exposure and response, ambient levels, and compliance data; and (B) to determine the effectiveness of noise abatement actions, including actions for areas around major transportation facilities (such as highways, railroad facilities, and airports); (4) develop and disseminate information and educational materials about the mental and physical effects of noise and the most effective means for noise control to the public through the use of materials for school curricula, volunteer organizations, radio and television programs, publications, and other means, as determined by the Administrator; (5) develop educational and training materials and programs, including national and regional workshops, to support State and local noise abatement and control programs; (6) establish regional technical assistance centers which use the capabilities of university and private organizations to assist State and local noise control programs; (7) assess of the effectiveness of the Noise Control Act of 1972 ( 42 U.S.C. 4901 et seq.); and (8) carry out other activities, as determined by the Administrator. (c) Preferred approaches In carrying out the duties described in subsection (b), the Office shall emphasize noise abatement approaches that rely on— (1) State and local activities; (2) market incentives; and (3) coordination with other public and private agencies. (d) Study (1) In general The Administrator shall enter into one or more contracts or other agreements with independent scientists who have expertise in noise measurements, noise effects, and noise abatement techniques to carry out a study of airport noise. (2) Contents The study under paragraph (1) shall examine— (A) the selection of noise measurement methodologies by the Federal Aviation Administration