described in section 137F(a)(1)(A), the percentage of program participants who obtain a recognized postsecondary credential during participation in or within 1 year after exit from the program. (6) In the case of an employer providing on-the-job training described in section 137F(a)(1)(B), the percentage of program participants who completed on-the-job training supported under this chapter and achieved measurable skills gains necessary for employment. 137I. Evaluation, technical assistance, and data collection activities (a) Evaluation From the amount made available under section 137C(a)(1), the Secretary, pursuant to the authority provided under section 169, shall, directly or through grants, contracts, or cooperative agreements with appropriate entities, conduct an evaluation of the activities carried out under this chapter. (b) Conduct of evaluation The evaluation shall examine the effectiveness of such activities in achieving the purposes described in section 137A, including the effectiveness with respect to individuals with barriers to employment, disaggregated by each subpopulation of such individuals, and by race, ethnicity, sex, and age, and such other purposes as the Secretary determines are appropriate. (c) Report The report to Congress under section 169(e) relating to the results of the evaluations required under section 169 shall include the recommendation of the Secretary with respect to the use of personal reemployment accounts as a mechanism to assist individuals in obtaining and retaining employment. . 3. Administration Section 107(d) of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3122(d) ) is amended— (1) in paragraph (8)(A)(i), by inserting , activities authorized under section 137F after section 134