According to the [[Mayo Clinic]]: "oppositional defiant disorder (ODD) includes a frequent and ongoing pattern of anger, irritability, arguing and defiance toward parents and other authority figures. ODD also includes being spiteful and seeking revenge, a behavior called vindictiveness."<ref>[https://www.mayoclinic.org/diseases-conditions/oppositional-defiant-disorder/symptoms-causes/syc-20375831 Oppositional defiant disorder (ODD)], Mayo Clinic website</ref> | According to the [[Mayo Clinic]]: "oppositional defiant disorder (ODD) includes a frequent and ongoing pattern of anger, irritability, arguing and defiance toward parents and other authority figures. ODD also includes being spiteful and seeking revenge, a behavior called vindictiveness."<ref>[https://www.mayoclinic.org/diseases-conditions/oppositional-defiant-disorder/symptoms-causes/syc-20375831 Oppositional defiant disorder (ODD)], Mayo Clinic website</ref> |