Oppositional Defiance Disorder definition
Behavior Therapist Lisa Gonsalves, MA, explains what oppositional defiance disorder in children is and its causes, symptoms, and possible treatments
More from Expert
Lisa Gonsalves, MA
In her career in youth development, Lisa Gonsalves, MA, has served youth populations across the globe over the past 25 years. Her professional experience includes creating, developing, and administering a variety of programs, development systems, and methods for young people as coordinator, counselor, and instructor for ages four through 24. The various youth populations she has served include school age children with behavioral or mental heath diagnoses, urban and rural at-risk adolescents, foreign students, gay youth, socio-economically underprivileged, and middle class youth. She has a master’s degree in Social Policy for Youth Services.