1. Describe ADHD and at what age do symptoms emerge. 2. State the length of time inattention, impulsivity, and over-activity is inappropriate for development. 3. List the steps of diagnosing ADHD. 4. Discuss Barkley's model of symptoms associated with ADHD. 5. Discuss ways of assessing adults for ADHD. 6. Describe how stimulants improve symptoms of ADHD. 7. Discuss ADHD and substance abuse disorders. 8. State obstacles to successful treatment of ADHD.