Judkins, David, Douglas Walton, Daniel Litwok, Gabriel Durham, and Samuel Dastrup (2021). Valley Initiative for Development and Advancement (VIDA): Appendices for three-year impact report, OPRE Report #2021-96, Washington, DC: Office of Planning, Research, and Evaluation, Administration for Children and Families, U.S. Department of Health and Human Services. Available at https://www.acf.hhs.gov/opre/report/valley-initiative-development-and-advancement-vida-three-year-impact-report.