; (E) develop and disseminate effective, research-based comprehensive sex education learning materials; (F) develop academic courses on the pedagogy of sex education at institutions of higher education; or (G) convene State-based conferences to train teachers in comprehensive sex education and to identify strategies for improvement. 6. Impact evaluation and reporting (a) Multi-Year evaluation (1) In general Not later than 6 months after the date of the enactment of this Act, the Secretary shall enter into a contract with a nonprofit organization with experience in conducting impact evaluations, to conduct a multi-year evaluation on the impact of the grants under sections 3, 4, and 5, and to report to Congress and the Secretary on the findings of such evaluation. (2) Evaluation The evaluation conducted under this subsection shall— (A) be conducted in a manner consistent with relevant, nationally recognized professional and technical evaluation standards; (B) use sound statistical methods and techniques relating to the behavioral sciences, including quasi-experimental designs, inferential statistics, and other methodologies and techniques that allow for conclusions to be reached; (C) be carried out by an independent organization that has not received a grant under sections 3, 4, or 5; and (D) be designed to provide information on— (i) output measures, such as the number of individuals served under the grant and the number of hours of instruction; (ii) outcome measures, including measures relating to— (I) the knowledge that individuals participating in the grant program have gained in each of the following age and developmentally appropriate areas— (aa) growth and development; (bb) relationship dynamics; (cc) ways to prevent unintended pregnancy and sexually transmitted infections, including HIV; and (dd) sexual health; (II) the age and developmentally appropriate skills that individuals participating in the grant program have gained regarding— (aa) negotiation and communication; (bb) decisionmaking and goal-setting