Oppositional Defiant Disorder Resources Posted on July 14, 2015 by specialneedsresourcetrainingblog Oppositional Defiant Disorder has been defined as a pattern of hostile and defiant behaviors towards authority figures that exists for at least 6 months. For more information on causes, symptoms and prevalence, please click on the links below: Medical Sites American Academy of Children & Adolescent Psychiatry Boston Children’s Hospital Kids Mental Health Info Mayo Clinic Medline Plus Medscape My Asperger’s Child Blog Psych Central Sensory Spectrum WebMD Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Like this:Like Loading...