This disorder involves a recurrent pattern of negativistic, defiant, disobedient and hostile behaviors toward authority figures.  Four or more symptoms must be present for at least 6 months.  Symptoms include:

• Frequent loss of temper
• Arguing with adults
• Actively defying adults
• Annoying others on purpose
• Blaming others for one's own mistakes
• Frequent anger and resentfulness
• Frequent spitefulness

Conduct Disorder involves a repetitive and persistent pattern of behaviors in which the basic rights of others, and major age-appropriate societal norms or rules are violated, as manifested by behaviors that include:

• Aggression to people and animals
• Destruction of property
• Deceitfulness or theft
• Serious violations of rules

ADHD involves a persistent pattern of inattention and/or hyperactivity-impulsivity in at least two setting, with symptoms present for at least six months, some of which have been present before age seven. Inattentive Type requires at least six symptoms of inattention, such as:

• Lack of attention to details and careless errors
• Difficulty sustaining attention in tasks or play
• Problems following through on instructions and completing tasks
• Being easily distracted by extraneous stimuli
• Forgetfulness
• Losing things
• Trouble organizing tasks

Hyperactive-Impuslive Type requires at least six symptoms of hyperactivity-impulsivity, such as:

• Fidgeting
• Problems remaining seated
• Excessive running
• Difficulty playing quietly
• Excessive talking
• Blurting out answers
• Difficulty waiting turns
• Interrupting others