Parents are often surprised when a child diagnosed with autism spectrum disorder (ASD) is later told they may also have Oppositional Defiant Disorder (ODD). At first glance, frequent arguments, refusal to follow instructions, or emotional outbursts can appear intentionally defiant. However, many autism specialists emphasize that similar behaviors can have very different underlying causes. Understanding why some students on the spectrum receive an ODD diagnosis helps families, teachers, and clinicians provide more effective support instead of relying on assumptions.
