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As technology improves organizations\u2019 ability to collect, manage, and analyze data, it\u2019s becoming easier to inform public policy decisions today in a range of areas, from health care to criminal justice, based on estimated risks in the future. On this episode of On the Evidence, I talk with three researchers who work with child welfare agencies in the United States to use algorithms\u2014or, what they call predictive risk models\u2014to inform decisions by case managers and their supervisors.\n\nMy guests are Rhema Vaithianathan, Emily Putnam-Hornstein, and Beth Weigensberg. \n\nVaithianathan is a professor of economics and director of the Centre for Social Data Analytics in the School of Social Sciences and Public Policy at Auckland University of Technology, New Zealand, and a professor of social data and analytics at the Institute for Social Science Research at the University of Queensland, Australia. \n\nPutnam-Hornstein is an associate professor of social work at the University of Southern California and the director of the Children\u2019s Data Network. \n\nWeigensberg is a senior researcher at Mathematica.\n\nVaithianathan and Putnam-Hornstein have already worked with Allegheny County in Pennsylvania to implement a predictive risk model that uses hundreds of data elements to help the people screening calls about child abuse and neglect better assess the risk associated with each case of potential maltreatment. Now they are working with two more counties in Colorado to pilot a similar predictive risk model. Last year, they initiated a partnership with Mathematica to replicate and scale-up their work by offering the same kind of assistance to states and counties around the country. \n\nFind more information about Mathematica\u2019s partnership with the Centre for Social Data Analytics and the Children\u2019s Data Network here: https://www.mathematica.org/our-publications-and-findings/publications/predictive-risk-modeling-for-child-protection\n\nFind The New York Times Magazine article about Allegheny County's use of algorithms in child welfare here: https://www.nytimes.com/2018/01/02/magazine/can-an-algorithm-tell-when-kids-are-in-danger.html\n\nFind the publications page for the the Centre for Social Data Analytics here: https://csda.aut.ac.nz/research/recent-publications\n\nFind the results of an independent evaluation of the Allegheny County predictive risk model here: https://www.alleghenycountyanalytics.us/wp-content/uploads/2019/05/Impact-Evaluation-from-16-ACDHS-26_PredictiveRisk_Package_050119_FINAL-6.pdf