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Barry L Duncan

Barry L. Duncan is cofounder and codirector of the Institute for the Study of Therapeutic Change and in private practice in Coral Springs, Florida. Scott D. Miller is cofounder and codirector of the Institute for the Study of Therapeutic Change, in Chicago, Illinois. Jacqueline A. Sparks is assistant professor of marriage and family therapy, Department of Human Development and Family Studies, at the University of Rhode Island.