Warning Signs for Parents
Keeping kids from becoming victims or perpetrators.
Brian D. Johnson, Ph.D. and Laurie Berdahl, M.D.
Verified by Psychology Today
Brian D. Johnson, Ph.D., is a psychologist and training clinic director at the University of Northern Colorado. Laurie Berdahl, M.D., is an obstetrician-gynecologist and speaker on parenting and adolescent wellness.