J. Mark EddyJ. Mark Eddy, Ph.D, is a research scientist and child clinical psychologist at the Oregon Social Learning Center, an internationally recognized non-profit research center focused on the study of the development, prevention, and treatment of conduct dsorders. With the funding support of the National Institute of Mental Health, Dr. Eddy has been developing, testing, and refining preventative interventions that target the conduct disorders and related youth problems since 1987. Read More Read Less